Flight Chongqing Jiangbei International Airport departs from Chongqing Chongqing Jiangbei International Airport at 16:45 and arrives at Haikou Haikou Meilan International Airport at 19:15.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 546 Km. So the average speed is roughly 364 Km.
There is an 1 hour time difference between Chongqing and Haikou