Flight Pudong International Airport departs from Shanghai Pudong International Airport at 09:00 and arrives at Chongqing Chongqing Jiangbei International Airport at 12:10.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 1687 Km. So the average speed is roughly 405 Km.
There is an 1 hour time difference between Shanghai and Chongqing