Flight Hongqiao International Airport departs from Shanghai Hongqiao International Airport at 12:00 and arrives at Chengdu Chengdu Shuangliu International Airport at 15:15.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 1934 Km. So the average speed is roughly 455 Km.
There is an 1 hour time difference between Shanghai and Chengdu