Flight Sydney Airport departs from Sydney Sydney Airport at 15:30 and arrives at Melbourne Melbourne Airport at 17:05.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 787 Km. So the average speed is roughly 497 Km.
The best day to arrive at Sydney is Monday and it would be best to avoid Sunday, as prices are on average 110.7% higher than on Monday. (Average prices, based on 36583808 datapoints.)
We have a lot more statistics for flights QF 459 and between Sydney and Melbourne.
USD