Flight Christchurch International Airport departs from Christchurch Christchurch International Airport at 22:30 and arrives at Guangzhou Guangzhou Baiyun International Airport at 05:30.
The flighttime is about 11h 00m. The distance travelled ("as the bird flies"): 8243 Km. So the average speed is roughly 749 Km.
There is an 4 hour time difference between Christchurch and Guangzhou