Flight Pudong International Airport departs from Shanghai Pudong International Airport at 09:10 and arrives at Tokyo Narita International Airport at 12:50.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 2092 Km. So the average speed is roughly 784 Km.
There is an 1 hour time difference between Shanghai and Tokyo
The best day to arrive at Shanghai is Saturday and it would be best to avoid Monday, as prices are on average 63.13% higher than on Saturday. (Average prices, based on 219162 datapoints.)
We have a lot more statistics for flights MU 523 and between Shanghai and Tokyo.