Flight Chongqing Jiangbei International Airport departs from Chongqing Chongqing Jiangbei International Airport at 11:55 and arrives at Beijing Beijing Capital International Airport at 14:45.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 1181 Km. So the average speed is roughly 644 Km.
There is an 1 hour time difference between Chongqing and Beijing