Flight Auckland Airport departs from Auckland Auckland Airport at 20:45 and arrives at Christchurch Christchurch International Airport at 22:10.
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 Monday and it would be best to avoid Sunday, as prices are on average 182.28% higher than on Monday. (Average prices, based on 649261 datapoints.)
We have a lot more statistics for flights NZ 573 and between Auckland and Christchurch.