Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 08:25 and arrives at Lanzhou Lanzhou Zhongchuan Airport at 11:35.
The flighttime is about 11h 10m. The distance travelled ("as the bird flies"): 1165 Km. So the average speed is roughly 104 Km.
There is an 8 hour time difference between Guangzhou and Lanzhou
