Flight Beijing Capital International Airport departs from Beijing Beijing Capital International Airport at 19:30 and arrives at Chengdu Chengdu Shuangliu International Airport at 22:25.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 1449 Km. So the average speed is roughly 370 Km.
There is an 1 hour time difference between Beijing and Chengdu
