Flight Haneda Airport departs from Tokyo Haneda Airport at 14:25 and arrives at Shanghai Pudong International Airport at 17:05.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2021 Km. So the average speed is roughly 551 Km.
There is an 1 hour time difference between Tokyo and Shanghai
The best day to arrive at Tokyo is Sunday and it would be best to avoid Thursday, as prices are on average 1307.2% higher than on Sunday. (Average prices, based on 640085 datapoints.)
We have a lot more statistics for flights FM 1004 and between Tokyo and Shanghai.