Flight Narita International Airport departs from Tokyo Narita International Airport at 22:25 and arrives at Shanghai Pudong International Airport at 00:50.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 2092 Km. So the average speed is roughly 612 Km.
There is an 1 hour time difference between Tokyo and Shanghai
The best day to arrive at Tokyo is Monday and it would be best to avoid Saturday, as prices are on average 42.33% higher than on Monday. (Average prices, based on 79874 datapoints.)
We have a lot more statistics for flights JQ 35 and between Tokyo and Shanghai.