Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 10:30 and arrives at Chengdu Chengdu Shuangliu International Airport at 13:15.
The flighttime is about 3h 45m. The distance travelled ("as the bird flies"): 1069 Km. So the average speed is roughly 285 Km.
There is an 1 hour time difference between Guangzhou and Chengdu