Flight Pudong International Airport departs from Shanghai Pudong International Airport at 08:30 and arrives at Chengdu Chengdu Shuangliu International Airport at 11:30.
The flighttime is about 4h 00m. The distance travelled ("as the bird flies"): 1986 Km. So the average speed is roughly 496 Km.
There is an 1 hour time difference between Shanghai and Chengdu