Flight Narita International Airport departs from Tokyo Narita International Airport at 10:55 and arrives at Shanghai Pudong International Airport at 13:40.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 2092 Km. So the average speed is roughly 558 Km.
There is an 1 hour time difference between Tokyo and Shanghai
The best day to arrive at Tokyo is Tuesday and it would be best to avoid Saturday, as prices are on average 218.27% higher than on Tuesday. (Average prices, based on 80060 datapoints.)
We have a lot more statistics for flights MU 272 and between Tokyo and Shanghai.