Flight Narita International Airport departs from Tokyo Narita International Airport at 18:40 and arrives at Taipei Taoyuan International Airport at 22:05.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 2260 Km. So the average speed is roughly 512 Km.
There is an 1 hour time difference between Tokyo and Taipei
The best day to arrive at Tokyo is Wednesday and it would be best to avoid Monday, as prices are on average 724.46% higher than on Wednesday. (Average prices, based on 2138231 datapoints.)
We have a lot more statistics for flights NQ 823 and between Tokyo and Taipei.
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