Flight Sydney Airport departs from Sydney Sydney Airport at 18:10 and arrives at Auckland Auckland Airport at 23:25.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 2646 Km. So the average speed is roughly 814 Km.
There is an 2 hour time difference between Sydney and Auckland
The best day to arrive at Sydney is Tuesday and it would be best to avoid Thursday, as prices are on average 37.68% higher than on Tuesday. (Average prices, based on 6483804 datapoints.)
We have a lot more statistics for flights NZ 108 and between Sydney and Auckland.