Flight Hongqiao International Airport departs from Shanghai Hongqiao International Airport at 16:40 and arrives at Chengdu Chengdu Shuangliu International Airport at 20:00.
The flighttime is about 4h 20m. The distance travelled ("as the bird flies"): 1934 Km. So the average speed is roughly 446 Km.
There is an 1 hour time difference between Shanghai and Chengdu