Flight Christchurch International Airport departs from Christchurch Christchurch International Airport at 11:00 and arrives at Auckland Auckland Airport at 12:25.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 759 Km. So the average speed is roughly 536 Km.
The best day to arrive at Christchurch is Wednesday and it would be best to avoid Tuesday, as prices are on average 692.1% higher than on Wednesday. (Average prices, based on 415756 datapoints.)
We have a lot more statistics for flights NZ 538 and between Christchurch and Auckland.