Flight Narita International Airport departs from Tokyo Narita International Airport at 13:50 and arrives at Shanghai Pudong International Airport at 16:30.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2092 Km. So the average speed is roughly 571 Km.
There is an 1 hour time difference between Tokyo and Shanghai
The best day to arrive at Tokyo is Thursday and it would be best to avoid Monday, as prices are on average 568.96% higher than on Thursday. (Average prices, based on 181136 datapoints.)
We have a lot more statistics for flights JL 5601 and between Tokyo and Shanghai.
