Flight Narita International Airport departs from Tokyo Narita International Airport at 13:00 and arrives at Shanghai Pudong International Airport at 15:40.
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 Sunday and it would be best to avoid Tuesday, as prices are on average 426.93% higher than on Sunday. (Average prices, based on 77294 datapoints.)
We have a lot more statistics for flights MU 728 and between Tokyo and Shanghai.