Flight Hongqiao International Airport departs from Shanghai Hongqiao International Airport at 15:45 and arrives at Chengdu Chengdu Shuangliu International Airport at 18:40.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 1934 Km. So the average speed is roughly 494 Km.
There is an 1 hour time difference between Shanghai and Chengdu