Flight Sydney Airport departs from Sydney Sydney Airport at 16:10 and arrives at Perth Perth Airport at 19:10.
The flighttime is about 5h 00m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 783 Km.
There is an 2 hour time difference between Sydney and Perth
The best day to arrive at Sydney is Sunday and it would be best to avoid Saturday, as prices are on average 150.36% higher than on Sunday. (Average prices, based on 7915415 datapoints.)
We have a lot more statistics for flights QF 651 and between Sydney and Perth.
