Flight Beijing Capital International Airport departs from Beijing Beijing Capital International Airport at 16:55 and arrives at Chongqing Chongqing Jiangbei International Airport at 20:00.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 1181 Km. So the average speed is roughly 289 Km.
There is an 1 hour time difference between Beijing and Chongqing