Flight Wellington International Airport departs from Wellington Wellington International Airport at 18:20 and arrives at Auckland Auckland Airport at 19:25.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 478 Km. So the average speed is roughly 441 Km.
The best day to arrive at Wellington is Thursday and it would be best to avoid Wednesday, as prices are on average 177.78% higher than on Thursday. (Average prices, based on 203434 datapoints.)
We have a lot more statistics for flights NZ 450 and between Wellington and Auckland.