Flight Pudong International Airport departs from Shanghai Pudong International Airport at 22:20 and arrives at Hefei Hefei Luogang International Airport at 23:50.
The flighttime is about 9h 30m. The distance travelled ("as the bird flies"): 502 Km. So the average speed is roughly 53 Km.
There is an 8 hour time difference between Shanghai and Hefei