Flight Sydney Airport departs from Sydney Sydney Airport at 21:10 and arrives at Canberra International Airport at 22:05.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 256 Km. So the average speed is roughly 279 Km.
The best day to arrive at Sydney is Thursday and it would be best to avoid Monday, as prices are on average 118.7% higher than on Thursday. (Average prices, based on 159702 datapoints.)
We have a lot more statistics for flights QF 1459 and between Sydney and Canberra.