Flight International Airport departs from Vancouver International Airport at 12:45 and arrives at Chengdu Chengdu Shuangliu International Airport at 18:10.
The flighttime is about 15h 25m. The distance travelled ("as the bird flies"): 14834 Km. So the average speed is roughly 962 Km.
There is an 14 hour time difference between Vancouver and Chengdu