Flight Kansai International Airport departs from Osaka Kansai International Airport at 18:00 and arrives at Shanghai Pudong International Airport at 19:30.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1511 Km. So the average speed is roughly 604 Km.
There is an 1 hour time difference between Osaka and Shanghai
The best day to arrive at Osaka is Thursday and it would be best to avoid Monday, as prices are on average 536.09% higher than on Thursday. (Average prices, based on 10923 datapoints.)
We have a lot more statistics for flights CZ 8390 and between Osaka and Shanghai.