FlyerTalk Forums - View Single Post - JAL - Why is NRT-DEL 2.5 hours longer than DEL-NRT?
Old Mar 20, 2008 | 8:50 pm
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Originally Posted by Viajero
If the runway is what accounts for the difference how come Nort/South fligths, like NRT-SYD do not experience this difference and have the same schedules year round?
NRT-SYD is 9h20m and SYD-NRT is 10h35m. So there is a substantial difference. But it is exactly the opposite of what the OP experienced so it can't be the runway and I would guess this is just the wind.

sdorling, are you sure you have your times right (Tokyo is 3.5 hours ahead of Delhi)? Because I just looked flights up and this is what I got for early April:

NRT-DEL 9h15m DEL-NRT 8h00m

This looks pretty normal to me considering the wind direction on this planet.
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