Flight Guangzhou Baiyun International Airport departs from Guangzhou Guangzhou Baiyun International Airport at 14:10 and arrives at Vancouver International Airport at 10:40.
The flighttime is about 11h 30m. The distance travelled ("as the bird flies"): 13900 Km. So the average speed is roughly 1209 Km.
There is an 15 hour time difference between Guangzhou and Vancouver