Flight Auckland Airport departs from Auckland Auckland Airport at 21:00 and arrives at Christchurch Christchurch International Airport at 22:25.
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 Auckland is Wednesday and it would be best to avoid Monday, as prices are on average 231.07% higher than on Wednesday. (Average prices, based on 504334 datapoints.)
We have a lot more statistics for flights NZ 575 and between Auckland and Christchurch.