Flight Sydney Airport departs from Sydney Sydney Airport at 08:10 and arrives at Cairns Cairns Airport at 11:25.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 1723 Km. So the average speed is roughly 530 Km.
The best day to arrive at Sydney is Tuesday and it would be best to avoid Friday, as prices are on average 359.58% higher than on Tuesday. (Average prices, based on 176060 datapoints.)
We have a lot more statistics for flights VA 1413 and between Sydney and Cairns.