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What flight has the highest ratio of timezone difference to flight time?



The Next CEO of Stack OverflowWhich mountain has the highest death ratio of hikers?Is there a tourist destination where the new year starts first and at the same time the old year ends last?Does my age depend on the current timezone?What is the typical ratio of paid versus free miles in frequent flyer programs?Does the flight departure time take Daylight Savings Time into account?When a flights departs in the middle of the winter daylight saving time switch, what is the actual departure time?Does the direction of travel matter for jet lag, when the time difference is 12 hours?Does the flight time when booking a holiday online show the time you arrive in that country and its time zone?When is 1st of February 24:00 (EST) time in GMT time in the UK?Is landing time displayed in local timezone?










19















Inspired by crossing four time zones in six hours today: what flight has the largest time difference per flight time?



For example, if there's a 2-hour flight that has 4 hours time difference between the two ends, this has a ratio of 2:1 (2.0), while a 4-hr flight across two time zones would be 1:2 (0.5).



Also note that I'm interested in absolute (modulo 24) time difference: crossing the date line creates big differences on paper, but doesn't really matter from a physiological perspective. In other words, -18 hours feels the same as +6.










share|improve this question



















  • 3





    DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

    – Nean Der Thal
    yesterday






  • 7





    IUE to AKL, 3:45 duration, 27:45 time difference.

    – ugoren
    yesterday






  • 13





    Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

    – krubo
    yesterday






  • 4





    Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

    – nick012000
    yesterday






  • 6





    @nick012000 it appears as though you have overlooked the last paragraph of the question.

    – phoog
    yesterday















19















Inspired by crossing four time zones in six hours today: what flight has the largest time difference per flight time?



For example, if there's a 2-hour flight that has 4 hours time difference between the two ends, this has a ratio of 2:1 (2.0), while a 4-hr flight across two time zones would be 1:2 (0.5).



Also note that I'm interested in absolute (modulo 24) time difference: crossing the date line creates big differences on paper, but doesn't really matter from a physiological perspective. In other words, -18 hours feels the same as +6.










share|improve this question



















  • 3





    DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

    – Nean Der Thal
    yesterday






  • 7





    IUE to AKL, 3:45 duration, 27:45 time difference.

    – ugoren
    yesterday






  • 13





    Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

    – krubo
    yesterday






  • 4





    Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

    – nick012000
    yesterday






  • 6





    @nick012000 it appears as though you have overlooked the last paragraph of the question.

    – phoog
    yesterday













19












19








19


3






Inspired by crossing four time zones in six hours today: what flight has the largest time difference per flight time?



For example, if there's a 2-hour flight that has 4 hours time difference between the two ends, this has a ratio of 2:1 (2.0), while a 4-hr flight across two time zones would be 1:2 (0.5).



Also note that I'm interested in absolute (modulo 24) time difference: crossing the date line creates big differences on paper, but doesn't really matter from a physiological perspective. In other words, -18 hours feels the same as +6.










share|improve this question
















Inspired by crossing four time zones in six hours today: what flight has the largest time difference per flight time?



For example, if there's a 2-hour flight that has 4 hours time difference between the two ends, this has a ratio of 2:1 (2.0), while a 4-hr flight across two time zones would be 1:2 (0.5).



Also note that I'm interested in absolute (modulo 24) time difference: crossing the date line creates big differences on paper, but doesn't really matter from a physiological perspective. In other words, -18 hours feels the same as +6.







air-travel factoids timezones






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 48 mins ago









smci

1,235912




1,235912










asked yesterday









jpatokaljpatokal

117k18374533




117k18374533







  • 3





    DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

    – Nean Der Thal
    yesterday






  • 7





    IUE to AKL, 3:45 duration, 27:45 time difference.

    – ugoren
    yesterday






  • 13





    Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

    – krubo
    yesterday






  • 4





    Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

    – nick012000
    yesterday






  • 6





    @nick012000 it appears as though you have overlooked the last paragraph of the question.

    – phoog
    yesterday












  • 3





    DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

    – Nean Der Thal
    yesterday






  • 7





    IUE to AKL, 3:45 duration, 27:45 time difference.

    – ugoren
    yesterday






  • 13





    Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

    – krubo
    yesterday






  • 4





    Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

    – nick012000
    yesterday






  • 6





    @nick012000 it appears as though you have overlooked the last paragraph of the question.

    – phoog
    yesterday







3




3





DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

– Nean Der Thal
yesterday





DYU (Tajikistan) <--> URC (China), 2:35hrs flight with a 3 hours time difference, this is like (1.2)

– Nean Der Thal
yesterday




7




7





IUE to AKL, 3:45 duration, 27:45 time difference.

– ugoren
yesterday





IUE to AKL, 3:45 duration, 27:45 time difference.

– ugoren
yesterday




13




13





Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

– krubo
yesterday





Long ago, Concorde used to arrive New York more than 2 hours before it left Paris...

– krubo
yesterday




4




4





Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

– nick012000
yesterday





Wouldn't the answer be something that flies across the International Date Line? Go from GMT +11 to GMT -11 or vice versa and get 22 hours of time zone shifts in a single flight. I can't see any answers that seem to mention it, but wouldn't that let you pick up a ridiculous ratio?

– nick012000
yesterday




6




6





@nick012000 it appears as though you have overlooked the last paragraph of the question.

– phoog
yesterday





@nick012000 it appears as though you have overlooked the last paragraph of the question.

– phoog
yesterday










9 Answers
9






active

oldest

votes


















17














Yuzhno-Sakhalinsk (UUS) to Sapporo-Chitose (CTS):



  • 1h30 flight time

  • 2 hours time difference


  • 1.33 ratio.

You actually arrive before you left, without any of the international date line trickery:



enter image description here



(from Google Flights)



I'm pretty sure there must be lots of short 30-minutes-or-so hops across a timezone boundary which would result in a ratio of 2, so I'm not sure the ratio is really the best basis for comparison, though.



Edit



It turns out it's not as easy as I thought to find short flights crossing timezone boundaries, but I found one:



  • Mariehamn (MHQ) - Stockholm (ARN)

  • 35 minutes flight time

  • 1 hour time difference

  • 1.71 ratio

enter image description here



There's also Gibraltar (GIB) - Tangier (TNG), same characteristics.



Also Warsaw-Minsk, 2h hours time difference, 1h10 flight, same 1.71 ratio.



Note that the answers vary according to the time of the year, as:



  • some areas switch to daylight savings time in the summer, but not all, and not necessarily at the same time

  • some flights are seasonal





share|improve this answer
































    12














    You can also go forward in time with good results, see Almaty to Urumqi:



    ALA - URC



    45 minutes flight which propels you 3:45 forward for a ratio of 5!



    Maybe there is some trickery with flight time since the reverse flight is timed 2:50. Still they're 900 km away which should not translate to more than 1:30 in air.






    share|improve this answer


















    • 7





      I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

      – krubo
      yesterday











    • @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

      – alamar
      yesterday












    • @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

      – jcaron
      yesterday












    • @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

      – jcaron
      yesterday











    • You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

      – Doc
      yesterday


















    10














    For short flights, Vladivostok to Changchun gains as much as 1 hour depending on the airline:



    Ural Airlines 881 Friday, May 17, 2019
    Leave Vladivostok (VVO) 9:10am UTC+10
    Arrive Changchun (CGQ) 8:10am UTC+8 (elapsed time 1h, ratio 2)





    share|improve this answer























    • Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

      – jcaron
      yesterday


















    6














    Long-haul flights can't compete on ratio, but on absolute time-gain for a commercially available long-haul flight, I nominate Reykjavik-to-Anchorage, which gains 50 minutes. (It would gain 110 minutes if it flew in the winter, but it doesn't.)



    IcelandAir 679 Sunday, May 12, 2019
    Leave Reykjavik (KEF) 5:10pm UTC+0
    Arrive Anchorage (ANC) 4:20pm UTC-8 (elapsed time 7h 10m)





    share|improve this answer






























      5














      Going domestic here. Perm-Kazan leaves at 22:45 and arrives at 21:55 same day.



      • 1h10 flight time (in reality less than hour spent in the air)

      • 2 hours difference

      • 1.7 ratio.

      PEE - KZN






      share|improve this answer






























        5














        For a relatively short flight spanning a multi-hour time difference, it may be hard to beat Kusuluk–Reykjavik:



        enter image description here



        These two airports currently have a three-hour time difference, and the flight is 1h50m, for a ratio of 1.636. However, Greenland will go onto daylight savings time tomorrow, reducing this ratio substantially.






        share|improve this answer






























          4














          The time difference is closely related to how many lines of longitude you cross. So you're looking for as many crossed as possible, in the shortest time.



          The time of a flight is closely related to its distance (for any given groundspeed), and is reduced if the prevailing air movement is from behind it (because airspeed is related to groundspeed plus speed of air movement/currents).



          So you want to cross as many lines of longitude as possible, in the shortest possible distance, with the wind coming from behind. That immediately suggests you want to be travelling as close as possible to the north or south poles, and in a west-to-east direction for northern extremes, or east-to-west for southern extremes.



          You are limited because too close to the poles,you lose time zones - nobody bothers with time zones being 12 hours different if you and a friend both start at the north pole and walk a mile in opposite directions. But the Arctic is almost certainly better for this than the Antarctic, because many countries are closer, with more interest in asserting territory (hence time zones), and longer explored/less isolated.



          Your air flights at high latitudes are likely to be from ad hoc runways. You wont find big towns there. But even small communities may have local runways, and your question doesn't exclude those.



          Putting this all together, I think your answer won't be found by looking at major airline schedules.



          You need to find where in the arctic you could find the most northerly territories which have time zones. Then look for the most northernly settlements in those areas. Then, with a map centred on the true or magnetic north pole (whichever longitude originates at), figure out the shortest distance between settlements as far around the "clock face" as you can.



          You'll have to do this manually, because there are unlikely to be scheduled flights, but that's how you'd do it. I suspect your answer would involve Arctic airbases or exploratory stations belonging to Russia and the US.



          If you flew the path you found, you'd get maximum time zones per flying hour.






          share|improve this answer

























          • I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

            – badjohn
            16 hours ago











          • Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

            – alamar
            15 hours ago











          • Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

            – Stilez
            9 hours ago



















          4














          Clearly there are multiple short flights that will meet this criteria. In fact, I can easily get a ratio of over 100:1 by flying my drone across a timezone boundary. (30 seconds to do, 60 minute difference, ratio of 120:1!)



          Once you exclude the flight of less than a few hours things get closer to parity, however there is at least a few long flights that still beat the 1:1 ratio, even if they don't run all year.



          Icelandair flies a seasonal Reykjavik to Anchorage flight that takes 7h 10m, with a time difference of 8 hours, giving a ratio of 1.12:1



          Icelandair 679



          Condor flies a similar route, Frankfurt to Anchorage which takes 9 hours 50 mins for a 10 hour time difference, just squeezing in above even at 1.02:1



          Condor 2050



          Many cargo flights also fly into and out of Anchorage and likely give even higher ratios, especially to places like Moscow (11 hours time difference, 4,385 miles direct flight distance)



          Historically the record likely went to the Concorde, which flew between New York and Paris with a block time of about 4 hours, giving a ratio of 1.5:1 most of the year (6 hours time difference, daylight savings time dependent)






          share|improve this answer






























            -4














            Indianapolis IND/KIND to O'Hare ORD/KORD:



            • 72 minute flight time

            • 12 minutes time difference

              • Depart 3:42. Arrive 3:54


            • 5:1 Ratio

            enter image description here






            share|improve this answer




















            • 8





              The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

              – Michael Seifert
              yesterday











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            9 Answers
            9






            active

            oldest

            votes








            9 Answers
            9






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            17














            Yuzhno-Sakhalinsk (UUS) to Sapporo-Chitose (CTS):



            • 1h30 flight time

            • 2 hours time difference


            • 1.33 ratio.

            You actually arrive before you left, without any of the international date line trickery:



            enter image description here



            (from Google Flights)



            I'm pretty sure there must be lots of short 30-minutes-or-so hops across a timezone boundary which would result in a ratio of 2, so I'm not sure the ratio is really the best basis for comparison, though.



            Edit



            It turns out it's not as easy as I thought to find short flights crossing timezone boundaries, but I found one:



            • Mariehamn (MHQ) - Stockholm (ARN)

            • 35 minutes flight time

            • 1 hour time difference

            • 1.71 ratio

            enter image description here



            There's also Gibraltar (GIB) - Tangier (TNG), same characteristics.



            Also Warsaw-Minsk, 2h hours time difference, 1h10 flight, same 1.71 ratio.



            Note that the answers vary according to the time of the year, as:



            • some areas switch to daylight savings time in the summer, but not all, and not necessarily at the same time

            • some flights are seasonal





            share|improve this answer





























              17














              Yuzhno-Sakhalinsk (UUS) to Sapporo-Chitose (CTS):



              • 1h30 flight time

              • 2 hours time difference


              • 1.33 ratio.

              You actually arrive before you left, without any of the international date line trickery:



              enter image description here



              (from Google Flights)



              I'm pretty sure there must be lots of short 30-minutes-or-so hops across a timezone boundary which would result in a ratio of 2, so I'm not sure the ratio is really the best basis for comparison, though.



              Edit



              It turns out it's not as easy as I thought to find short flights crossing timezone boundaries, but I found one:



              • Mariehamn (MHQ) - Stockholm (ARN)

              • 35 minutes flight time

              • 1 hour time difference

              • 1.71 ratio

              enter image description here



              There's also Gibraltar (GIB) - Tangier (TNG), same characteristics.



              Also Warsaw-Minsk, 2h hours time difference, 1h10 flight, same 1.71 ratio.



              Note that the answers vary according to the time of the year, as:



              • some areas switch to daylight savings time in the summer, but not all, and not necessarily at the same time

              • some flights are seasonal





              share|improve this answer



























                17












                17








                17







                Yuzhno-Sakhalinsk (UUS) to Sapporo-Chitose (CTS):



                • 1h30 flight time

                • 2 hours time difference


                • 1.33 ratio.

                You actually arrive before you left, without any of the international date line trickery:



                enter image description here



                (from Google Flights)



                I'm pretty sure there must be lots of short 30-minutes-or-so hops across a timezone boundary which would result in a ratio of 2, so I'm not sure the ratio is really the best basis for comparison, though.



                Edit



                It turns out it's not as easy as I thought to find short flights crossing timezone boundaries, but I found one:



                • Mariehamn (MHQ) - Stockholm (ARN)

                • 35 minutes flight time

                • 1 hour time difference

                • 1.71 ratio

                enter image description here



                There's also Gibraltar (GIB) - Tangier (TNG), same characteristics.



                Also Warsaw-Minsk, 2h hours time difference, 1h10 flight, same 1.71 ratio.



                Note that the answers vary according to the time of the year, as:



                • some areas switch to daylight savings time in the summer, but not all, and not necessarily at the same time

                • some flights are seasonal





                share|improve this answer















                Yuzhno-Sakhalinsk (UUS) to Sapporo-Chitose (CTS):



                • 1h30 flight time

                • 2 hours time difference


                • 1.33 ratio.

                You actually arrive before you left, without any of the international date line trickery:



                enter image description here



                (from Google Flights)



                I'm pretty sure there must be lots of short 30-minutes-or-so hops across a timezone boundary which would result in a ratio of 2, so I'm not sure the ratio is really the best basis for comparison, though.



                Edit



                It turns out it's not as easy as I thought to find short flights crossing timezone boundaries, but I found one:



                • Mariehamn (MHQ) - Stockholm (ARN)

                • 35 minutes flight time

                • 1 hour time difference

                • 1.71 ratio

                enter image description here



                There's also Gibraltar (GIB) - Tangier (TNG), same characteristics.



                Also Warsaw-Minsk, 2h hours time difference, 1h10 flight, same 1.71 ratio.



                Note that the answers vary according to the time of the year, as:



                • some areas switch to daylight savings time in the summer, but not all, and not necessarily at the same time

                • some flights are seasonal






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited yesterday

























                answered yesterday









                jcaronjcaron

                12.1k12159




                12.1k12159























                    12














                    You can also go forward in time with good results, see Almaty to Urumqi:



                    ALA - URC



                    45 minutes flight which propels you 3:45 forward for a ratio of 5!



                    Maybe there is some trickery with flight time since the reverse flight is timed 2:50. Still they're 900 km away which should not translate to more than 1:30 in air.






                    share|improve this answer


















                    • 7





                      I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                      – krubo
                      yesterday











                    • @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                      – alamar
                      yesterday












                    • @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                      – jcaron
                      yesterday












                    • @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                      – jcaron
                      yesterday











                    • You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                      – Doc
                      yesterday















                    12














                    You can also go forward in time with good results, see Almaty to Urumqi:



                    ALA - URC



                    45 minutes flight which propels you 3:45 forward for a ratio of 5!



                    Maybe there is some trickery with flight time since the reverse flight is timed 2:50. Still they're 900 km away which should not translate to more than 1:30 in air.






                    share|improve this answer


















                    • 7





                      I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                      – krubo
                      yesterday











                    • @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                      – alamar
                      yesterday












                    • @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                      – jcaron
                      yesterday












                    • @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                      – jcaron
                      yesterday











                    • You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                      – Doc
                      yesterday













                    12












                    12








                    12







                    You can also go forward in time with good results, see Almaty to Urumqi:



                    ALA - URC



                    45 minutes flight which propels you 3:45 forward for a ratio of 5!



                    Maybe there is some trickery with flight time since the reverse flight is timed 2:50. Still they're 900 km away which should not translate to more than 1:30 in air.






                    share|improve this answer













                    You can also go forward in time with good results, see Almaty to Urumqi:



                    ALA - URC



                    45 minutes flight which propels you 3:45 forward for a ratio of 5!



                    Maybe there is some trickery with flight time since the reverse flight is timed 2:50. Still they're 900 km away which should not translate to more than 1:30 in air.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered yesterday









                    alamaralamar

                    5,60021129




                    5,60021129







                    • 7





                      I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                      – krubo
                      yesterday











                    • @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                      – alamar
                      yesterday












                    • @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                      – jcaron
                      yesterday












                    • @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                      – jcaron
                      yesterday











                    • You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                      – Doc
                      yesterday












                    • 7





                      I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                      – krubo
                      yesterday











                    • @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                      – alamar
                      yesterday












                    • @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                      – jcaron
                      yesterday












                    • @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                      – jcaron
                      yesterday











                    • You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                      – Doc
                      yesterday







                    7




                    7





                    I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                    – krubo
                    yesterday





                    I'm seeing a lot of websites calculating the wrong time zone for Urumqi. Looks like this flight is actually 1 hour 45 minutes there and 1 hour 50 minutes back.

                    – krubo
                    yesterday













                    @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                    – alamar
                    yesterday






                    @Which will still give it >2 ratio. You could probably get even better ratio if you start with Tashkent, which is one more hour apart.

                    – alamar
                    yesterday














                    @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                    – jcaron
                    yesterday






                    @alamar, no, there’s only a 2 hours time difference for a 1h45 flight time, which results in a 1.14 ratio. I haven’t checked if the time difference changes with DST, but even if the time difference went up to 3 hours, it would still only be a 1.71 ratio.

                    – jcaron
                    yesterday














                    @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                    – jcaron
                    yesterday





                    @alamar Tashkent (TAS)-Urumqi (URC) is 2h30 flight time for a 3h time difference, a ratio of 1.2.

                    – jcaron
                    yesterday













                    You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                    – Doc
                    yesterday





                    You've completely misunderstood the question. This is a ~1h40m flight, and a 2 hour time difference, giving a ratio of just over 1 - not at all good

                    – Doc
                    yesterday











                    10














                    For short flights, Vladivostok to Changchun gains as much as 1 hour depending on the airline:



                    Ural Airlines 881 Friday, May 17, 2019
                    Leave Vladivostok (VVO) 9:10am UTC+10
                    Arrive Changchun (CGQ) 8:10am UTC+8 (elapsed time 1h, ratio 2)





                    share|improve this answer























                    • Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                      – jcaron
                      yesterday















                    10














                    For short flights, Vladivostok to Changchun gains as much as 1 hour depending on the airline:



                    Ural Airlines 881 Friday, May 17, 2019
                    Leave Vladivostok (VVO) 9:10am UTC+10
                    Arrive Changchun (CGQ) 8:10am UTC+8 (elapsed time 1h, ratio 2)





                    share|improve this answer























                    • Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                      – jcaron
                      yesterday













                    10












                    10








                    10







                    For short flights, Vladivostok to Changchun gains as much as 1 hour depending on the airline:



                    Ural Airlines 881 Friday, May 17, 2019
                    Leave Vladivostok (VVO) 9:10am UTC+10
                    Arrive Changchun (CGQ) 8:10am UTC+8 (elapsed time 1h, ratio 2)





                    share|improve this answer













                    For short flights, Vladivostok to Changchun gains as much as 1 hour depending on the airline:



                    Ural Airlines 881 Friday, May 17, 2019
                    Leave Vladivostok (VVO) 9:10am UTC+10
                    Arrive Changchun (CGQ) 8:10am UTC+8 (elapsed time 1h, ratio 2)






                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered yesterday









                    krubokrubo

                    2,745523




                    2,745523












                    • Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                      – jcaron
                      yesterday

















                    • Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                      – jcaron
                      yesterday
















                    Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                    – jcaron
                    yesterday





                    Ah, tried that one but didn't see that Google Flights had hidden the direct flight at the bottom of the results because of "unavailable price".

                    – jcaron
                    yesterday











                    6














                    Long-haul flights can't compete on ratio, but on absolute time-gain for a commercially available long-haul flight, I nominate Reykjavik-to-Anchorage, which gains 50 minutes. (It would gain 110 minutes if it flew in the winter, but it doesn't.)



                    IcelandAir 679 Sunday, May 12, 2019
                    Leave Reykjavik (KEF) 5:10pm UTC+0
                    Arrive Anchorage (ANC) 4:20pm UTC-8 (elapsed time 7h 10m)





                    share|improve this answer



























                      6














                      Long-haul flights can't compete on ratio, but on absolute time-gain for a commercially available long-haul flight, I nominate Reykjavik-to-Anchorage, which gains 50 minutes. (It would gain 110 minutes if it flew in the winter, but it doesn't.)



                      IcelandAir 679 Sunday, May 12, 2019
                      Leave Reykjavik (KEF) 5:10pm UTC+0
                      Arrive Anchorage (ANC) 4:20pm UTC-8 (elapsed time 7h 10m)





                      share|improve this answer

























                        6












                        6








                        6







                        Long-haul flights can't compete on ratio, but on absolute time-gain for a commercially available long-haul flight, I nominate Reykjavik-to-Anchorage, which gains 50 minutes. (It would gain 110 minutes if it flew in the winter, but it doesn't.)



                        IcelandAir 679 Sunday, May 12, 2019
                        Leave Reykjavik (KEF) 5:10pm UTC+0
                        Arrive Anchorage (ANC) 4:20pm UTC-8 (elapsed time 7h 10m)





                        share|improve this answer













                        Long-haul flights can't compete on ratio, but on absolute time-gain for a commercially available long-haul flight, I nominate Reykjavik-to-Anchorage, which gains 50 minutes. (It would gain 110 minutes if it flew in the winter, but it doesn't.)



                        IcelandAir 679 Sunday, May 12, 2019
                        Leave Reykjavik (KEF) 5:10pm UTC+0
                        Arrive Anchorage (ANC) 4:20pm UTC-8 (elapsed time 7h 10m)






                        share|improve this answer












                        share|improve this answer



                        share|improve this answer










                        answered yesterday









                        krubokrubo

                        2,745523




                        2,745523





















                            5














                            Going domestic here. Perm-Kazan leaves at 22:45 and arrives at 21:55 same day.



                            • 1h10 flight time (in reality less than hour spent in the air)

                            • 2 hours difference

                            • 1.7 ratio.

                            PEE - KZN






                            share|improve this answer



























                              5














                              Going domestic here. Perm-Kazan leaves at 22:45 and arrives at 21:55 same day.



                              • 1h10 flight time (in reality less than hour spent in the air)

                              • 2 hours difference

                              • 1.7 ratio.

                              PEE - KZN






                              share|improve this answer

























                                5












                                5








                                5







                                Going domestic here. Perm-Kazan leaves at 22:45 and arrives at 21:55 same day.



                                • 1h10 flight time (in reality less than hour spent in the air)

                                • 2 hours difference

                                • 1.7 ratio.

                                PEE - KZN






                                share|improve this answer













                                Going domestic here. Perm-Kazan leaves at 22:45 and arrives at 21:55 same day.



                                • 1h10 flight time (in reality less than hour spent in the air)

                                • 2 hours difference

                                • 1.7 ratio.

                                PEE - KZN







                                share|improve this answer












                                share|improve this answer



                                share|improve this answer










                                answered yesterday









                                alamaralamar

                                5,60021129




                                5,60021129





















                                    5














                                    For a relatively short flight spanning a multi-hour time difference, it may be hard to beat Kusuluk–Reykjavik:



                                    enter image description here



                                    These two airports currently have a three-hour time difference, and the flight is 1h50m, for a ratio of 1.636. However, Greenland will go onto daylight savings time tomorrow, reducing this ratio substantially.






                                    share|improve this answer



























                                      5














                                      For a relatively short flight spanning a multi-hour time difference, it may be hard to beat Kusuluk–Reykjavik:



                                      enter image description here



                                      These two airports currently have a three-hour time difference, and the flight is 1h50m, for a ratio of 1.636. However, Greenland will go onto daylight savings time tomorrow, reducing this ratio substantially.






                                      share|improve this answer

























                                        5












                                        5








                                        5







                                        For a relatively short flight spanning a multi-hour time difference, it may be hard to beat Kusuluk–Reykjavik:



                                        enter image description here



                                        These two airports currently have a three-hour time difference, and the flight is 1h50m, for a ratio of 1.636. However, Greenland will go onto daylight savings time tomorrow, reducing this ratio substantially.






                                        share|improve this answer













                                        For a relatively short flight spanning a multi-hour time difference, it may be hard to beat Kusuluk–Reykjavik:



                                        enter image description here



                                        These two airports currently have a three-hour time difference, and the flight is 1h50m, for a ratio of 1.636. However, Greenland will go onto daylight savings time tomorrow, reducing this ratio substantially.







                                        share|improve this answer












                                        share|improve this answer



                                        share|improve this answer










                                        answered yesterday









                                        Michael SeifertMichael Seifert

                                        8,4632449




                                        8,4632449





















                                            4














                                            The time difference is closely related to how many lines of longitude you cross. So you're looking for as many crossed as possible, in the shortest time.



                                            The time of a flight is closely related to its distance (for any given groundspeed), and is reduced if the prevailing air movement is from behind it (because airspeed is related to groundspeed plus speed of air movement/currents).



                                            So you want to cross as many lines of longitude as possible, in the shortest possible distance, with the wind coming from behind. That immediately suggests you want to be travelling as close as possible to the north or south poles, and in a west-to-east direction for northern extremes, or east-to-west for southern extremes.



                                            You are limited because too close to the poles,you lose time zones - nobody bothers with time zones being 12 hours different if you and a friend both start at the north pole and walk a mile in opposite directions. But the Arctic is almost certainly better for this than the Antarctic, because many countries are closer, with more interest in asserting territory (hence time zones), and longer explored/less isolated.



                                            Your air flights at high latitudes are likely to be from ad hoc runways. You wont find big towns there. But even small communities may have local runways, and your question doesn't exclude those.



                                            Putting this all together, I think your answer won't be found by looking at major airline schedules.



                                            You need to find where in the arctic you could find the most northerly territories which have time zones. Then look for the most northernly settlements in those areas. Then, with a map centred on the true or magnetic north pole (whichever longitude originates at), figure out the shortest distance between settlements as far around the "clock face" as you can.



                                            You'll have to do this manually, because there are unlikely to be scheduled flights, but that's how you'd do it. I suspect your answer would involve Arctic airbases or exploratory stations belonging to Russia and the US.



                                            If you flew the path you found, you'd get maximum time zones per flying hour.






                                            share|improve this answer

























                                            • I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                              – badjohn
                                              16 hours ago











                                            • Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                              – alamar
                                              15 hours ago











                                            • Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                              – Stilez
                                              9 hours ago
















                                            4














                                            The time difference is closely related to how many lines of longitude you cross. So you're looking for as many crossed as possible, in the shortest time.



                                            The time of a flight is closely related to its distance (for any given groundspeed), and is reduced if the prevailing air movement is from behind it (because airspeed is related to groundspeed plus speed of air movement/currents).



                                            So you want to cross as many lines of longitude as possible, in the shortest possible distance, with the wind coming from behind. That immediately suggests you want to be travelling as close as possible to the north or south poles, and in a west-to-east direction for northern extremes, or east-to-west for southern extremes.



                                            You are limited because too close to the poles,you lose time zones - nobody bothers with time zones being 12 hours different if you and a friend both start at the north pole and walk a mile in opposite directions. But the Arctic is almost certainly better for this than the Antarctic, because many countries are closer, with more interest in asserting territory (hence time zones), and longer explored/less isolated.



                                            Your air flights at high latitudes are likely to be from ad hoc runways. You wont find big towns there. But even small communities may have local runways, and your question doesn't exclude those.



                                            Putting this all together, I think your answer won't be found by looking at major airline schedules.



                                            You need to find where in the arctic you could find the most northerly territories which have time zones. Then look for the most northernly settlements in those areas. Then, with a map centred on the true or magnetic north pole (whichever longitude originates at), figure out the shortest distance between settlements as far around the "clock face" as you can.



                                            You'll have to do this manually, because there are unlikely to be scheduled flights, but that's how you'd do it. I suspect your answer would involve Arctic airbases or exploratory stations belonging to Russia and the US.



                                            If you flew the path you found, you'd get maximum time zones per flying hour.






                                            share|improve this answer

























                                            • I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                              – badjohn
                                              16 hours ago











                                            • Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                              – alamar
                                              15 hours ago











                                            • Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                              – Stilez
                                              9 hours ago














                                            4












                                            4








                                            4







                                            The time difference is closely related to how many lines of longitude you cross. So you're looking for as many crossed as possible, in the shortest time.



                                            The time of a flight is closely related to its distance (for any given groundspeed), and is reduced if the prevailing air movement is from behind it (because airspeed is related to groundspeed plus speed of air movement/currents).



                                            So you want to cross as many lines of longitude as possible, in the shortest possible distance, with the wind coming from behind. That immediately suggests you want to be travelling as close as possible to the north or south poles, and in a west-to-east direction for northern extremes, or east-to-west for southern extremes.



                                            You are limited because too close to the poles,you lose time zones - nobody bothers with time zones being 12 hours different if you and a friend both start at the north pole and walk a mile in opposite directions. But the Arctic is almost certainly better for this than the Antarctic, because many countries are closer, with more interest in asserting territory (hence time zones), and longer explored/less isolated.



                                            Your air flights at high latitudes are likely to be from ad hoc runways. You wont find big towns there. But even small communities may have local runways, and your question doesn't exclude those.



                                            Putting this all together, I think your answer won't be found by looking at major airline schedules.



                                            You need to find where in the arctic you could find the most northerly territories which have time zones. Then look for the most northernly settlements in those areas. Then, with a map centred on the true or magnetic north pole (whichever longitude originates at), figure out the shortest distance between settlements as far around the "clock face" as you can.



                                            You'll have to do this manually, because there are unlikely to be scheduled flights, but that's how you'd do it. I suspect your answer would involve Arctic airbases or exploratory stations belonging to Russia and the US.



                                            If you flew the path you found, you'd get maximum time zones per flying hour.






                                            share|improve this answer















                                            The time difference is closely related to how many lines of longitude you cross. So you're looking for as many crossed as possible, in the shortest time.



                                            The time of a flight is closely related to its distance (for any given groundspeed), and is reduced if the prevailing air movement is from behind it (because airspeed is related to groundspeed plus speed of air movement/currents).



                                            So you want to cross as many lines of longitude as possible, in the shortest possible distance, with the wind coming from behind. That immediately suggests you want to be travelling as close as possible to the north or south poles, and in a west-to-east direction for northern extremes, or east-to-west for southern extremes.



                                            You are limited because too close to the poles,you lose time zones - nobody bothers with time zones being 12 hours different if you and a friend both start at the north pole and walk a mile in opposite directions. But the Arctic is almost certainly better for this than the Antarctic, because many countries are closer, with more interest in asserting territory (hence time zones), and longer explored/less isolated.



                                            Your air flights at high latitudes are likely to be from ad hoc runways. You wont find big towns there. But even small communities may have local runways, and your question doesn't exclude those.



                                            Putting this all together, I think your answer won't be found by looking at major airline schedules.



                                            You need to find where in the arctic you could find the most northerly territories which have time zones. Then look for the most northernly settlements in those areas. Then, with a map centred on the true or magnetic north pole (whichever longitude originates at), figure out the shortest distance between settlements as far around the "clock face" as you can.



                                            You'll have to do this manually, because there are unlikely to be scheduled flights, but that's how you'd do it. I suspect your answer would involve Arctic airbases or exploratory stations belonging to Russia and the US.



                                            If you flew the path you found, you'd get maximum time zones per flying hour.







                                            share|improve this answer














                                            share|improve this answer



                                            share|improve this answer








                                            edited yesterday

























                                            answered yesterday









                                            StilezStilez

                                            1,18348




                                            1,18348












                                            • I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                              – badjohn
                                              16 hours ago











                                            • Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                              – alamar
                                              15 hours ago











                                            • Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                              – Stilez
                                              9 hours ago


















                                            • I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                              – badjohn
                                              16 hours ago











                                            • Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                              – alamar
                                              15 hours ago











                                            • Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                              – Stilez
                                              9 hours ago

















                                            I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                            – badjohn
                                            16 hours ago





                                            I think that this the best answer. The OP rules out apparent large differences due to crossing the date line. Some of the other answers use equally artificial tricks such as countries with time zones that don't match their longitude or quirks due to Summertime / DST rules. For physiological effects, it is probably the sundial time rather than clock time that matters hence, as this answer says, you want to maximize your rate of change of longitude. This answer addresses this issue well.

                                            – badjohn
                                            16 hours ago













                                            Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                            – alamar
                                            15 hours ago





                                            Note that in polar areas, winters are universally dark while summers are universally lit. So you won't get any physialogical effects by going through a few time zones.

                                            – alamar
                                            15 hours ago













                                            Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                            – Stilez
                                            9 hours ago






                                            Alamar - they may well still have time zones even with 24/7 day or night seasons - US/Russian airbases will surely keep US/Russia time, Finnish settlements will keep Finnish time, even if there's no diurnal (24h) cycle. The question asked about time changes not light dark, so I think that's fine. But in any case if they don't do time zones in some area, and the 24h cycle is needed, you might have to, go a bit south until they do.

                                            – Stilez
                                            9 hours ago












                                            4














                                            Clearly there are multiple short flights that will meet this criteria. In fact, I can easily get a ratio of over 100:1 by flying my drone across a timezone boundary. (30 seconds to do, 60 minute difference, ratio of 120:1!)



                                            Once you exclude the flight of less than a few hours things get closer to parity, however there is at least a few long flights that still beat the 1:1 ratio, even if they don't run all year.



                                            Icelandair flies a seasonal Reykjavik to Anchorage flight that takes 7h 10m, with a time difference of 8 hours, giving a ratio of 1.12:1



                                            Icelandair 679



                                            Condor flies a similar route, Frankfurt to Anchorage which takes 9 hours 50 mins for a 10 hour time difference, just squeezing in above even at 1.02:1



                                            Condor 2050



                                            Many cargo flights also fly into and out of Anchorage and likely give even higher ratios, especially to places like Moscow (11 hours time difference, 4,385 miles direct flight distance)



                                            Historically the record likely went to the Concorde, which flew between New York and Paris with a block time of about 4 hours, giving a ratio of 1.5:1 most of the year (6 hours time difference, daylight savings time dependent)






                                            share|improve this answer



























                                              4














                                              Clearly there are multiple short flights that will meet this criteria. In fact, I can easily get a ratio of over 100:1 by flying my drone across a timezone boundary. (30 seconds to do, 60 minute difference, ratio of 120:1!)



                                              Once you exclude the flight of less than a few hours things get closer to parity, however there is at least a few long flights that still beat the 1:1 ratio, even if they don't run all year.



                                              Icelandair flies a seasonal Reykjavik to Anchorage flight that takes 7h 10m, with a time difference of 8 hours, giving a ratio of 1.12:1



                                              Icelandair 679



                                              Condor flies a similar route, Frankfurt to Anchorage which takes 9 hours 50 mins for a 10 hour time difference, just squeezing in above even at 1.02:1



                                              Condor 2050



                                              Many cargo flights also fly into and out of Anchorage and likely give even higher ratios, especially to places like Moscow (11 hours time difference, 4,385 miles direct flight distance)



                                              Historically the record likely went to the Concorde, which flew between New York and Paris with a block time of about 4 hours, giving a ratio of 1.5:1 most of the year (6 hours time difference, daylight savings time dependent)






                                              share|improve this answer

























                                                4












                                                4








                                                4







                                                Clearly there are multiple short flights that will meet this criteria. In fact, I can easily get a ratio of over 100:1 by flying my drone across a timezone boundary. (30 seconds to do, 60 minute difference, ratio of 120:1!)



                                                Once you exclude the flight of less than a few hours things get closer to parity, however there is at least a few long flights that still beat the 1:1 ratio, even if they don't run all year.



                                                Icelandair flies a seasonal Reykjavik to Anchorage flight that takes 7h 10m, with a time difference of 8 hours, giving a ratio of 1.12:1



                                                Icelandair 679



                                                Condor flies a similar route, Frankfurt to Anchorage which takes 9 hours 50 mins for a 10 hour time difference, just squeezing in above even at 1.02:1



                                                Condor 2050



                                                Many cargo flights also fly into and out of Anchorage and likely give even higher ratios, especially to places like Moscow (11 hours time difference, 4,385 miles direct flight distance)



                                                Historically the record likely went to the Concorde, which flew between New York and Paris with a block time of about 4 hours, giving a ratio of 1.5:1 most of the year (6 hours time difference, daylight savings time dependent)






                                                share|improve this answer













                                                Clearly there are multiple short flights that will meet this criteria. In fact, I can easily get a ratio of over 100:1 by flying my drone across a timezone boundary. (30 seconds to do, 60 minute difference, ratio of 120:1!)



                                                Once you exclude the flight of less than a few hours things get closer to parity, however there is at least a few long flights that still beat the 1:1 ratio, even if they don't run all year.



                                                Icelandair flies a seasonal Reykjavik to Anchorage flight that takes 7h 10m, with a time difference of 8 hours, giving a ratio of 1.12:1



                                                Icelandair 679



                                                Condor flies a similar route, Frankfurt to Anchorage which takes 9 hours 50 mins for a 10 hour time difference, just squeezing in above even at 1.02:1



                                                Condor 2050



                                                Many cargo flights also fly into and out of Anchorage and likely give even higher ratios, especially to places like Moscow (11 hours time difference, 4,385 miles direct flight distance)



                                                Historically the record likely went to the Concorde, which flew between New York and Paris with a block time of about 4 hours, giving a ratio of 1.5:1 most of the year (6 hours time difference, daylight savings time dependent)







                                                share|improve this answer












                                                share|improve this answer



                                                share|improve this answer










                                                answered 23 hours ago









                                                DocDoc

                                                76.7k5177283




                                                76.7k5177283





















                                                    -4














                                                    Indianapolis IND/KIND to O'Hare ORD/KORD:



                                                    • 72 minute flight time

                                                    • 12 minutes time difference

                                                      • Depart 3:42. Arrive 3:54


                                                    • 5:1 Ratio

                                                    enter image description here






                                                    share|improve this answer




















                                                    • 8





                                                      The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                      – Michael Seifert
                                                      yesterday















                                                    -4














                                                    Indianapolis IND/KIND to O'Hare ORD/KORD:



                                                    • 72 minute flight time

                                                    • 12 minutes time difference

                                                      • Depart 3:42. Arrive 3:54


                                                    • 5:1 Ratio

                                                    enter image description here






                                                    share|improve this answer




















                                                    • 8





                                                      The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                      – Michael Seifert
                                                      yesterday













                                                    -4












                                                    -4








                                                    -4







                                                    Indianapolis IND/KIND to O'Hare ORD/KORD:



                                                    • 72 minute flight time

                                                    • 12 minutes time difference

                                                      • Depart 3:42. Arrive 3:54


                                                    • 5:1 Ratio

                                                    enter image description here






                                                    share|improve this answer















                                                    Indianapolis IND/KIND to O'Hare ORD/KORD:



                                                    • 72 minute flight time

                                                    • 12 minutes time difference

                                                      • Depart 3:42. Arrive 3:54


                                                    • 5:1 Ratio

                                                    enter image description here







                                                    share|improve this answer














                                                    share|improve this answer



                                                    share|improve this answer








                                                    edited yesterday

























                                                    answered yesterday









                                                    FreeManFreeMan

                                                    380211




                                                    380211







                                                    • 8





                                                      The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                      – Michael Seifert
                                                      yesterday












                                                    • 8





                                                      The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                      – Michael Seifert
                                                      yesterday







                                                    8




                                                    8





                                                    The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                    – Michael Seifert
                                                    yesterday





                                                    The "time difference" should be the difference between the time zone of the arrival & departure points, so 60 minutes in this case. (Also, the flight time is 72 minutes.)

                                                    – Michael Seifert
                                                    yesterday

















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