Flight Chengdu Shuangliu International Airport departs from Chengdu Chengdu Shuangliu International Airport at 09:15 and arrives at Haikou Haikou Meilan International Airport at 11:35.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 802 Km. So the average speed is roughly 602 Km.
There is an 1 hour time difference between Chengdu and Haikou