Flight Wellington International Airport departs from Wellington Wellington International Airport at 14:45 and arrives at Auckland Auckland Airport at 15:50.
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 Friday, as prices are on average 151.52% higher than on Thursday. (Average prices, based on 201102 datapoints.)
We have a lot more statistics for flights NZ 436 and between Wellington and Auckland.
IDR