Flight Sydney Airport departs from Sydney Sydney Airport at 12:00 and arrives at Cairns Cairns Airport at 15:05.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 1723 Km. So the average speed is roughly 559 Km.
The best day to arrive at Sydney is Monday and it would be best to avoid Friday, as prices are on average 281.16% higher than on Monday. (Average prices, based on 176512 datapoints.)
We have a lot more statistics for flights JQ 950 and between Sydney and Cairns.