Flight Haneda Airport departs from Tokyo Haneda Airport at 02:00 and arrives at Shanghai Pudong International Airport at 04:30.
The flighttime is about 3h 30m. The distance travelled ("as the bird flies"): 2021 Km. So the average speed is roughly 577 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 Thursday, as prices are on average 1545.25% higher than on Monday. (Average prices, based on 639627 datapoints.)
We have a lot more statistics for flights 9C 8516 and between Tokyo and Shanghai.