Flight Sydney Airport departs from Sydney Sydney Airport at 16:55 and arrives at Perth Perth Airport at 18:45.
The flighttime is about 3h 50m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 1022 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 Friday, as prices are on average 71.46% higher than on Sunday. (Average prices, based on 7177866 datapoints.)
We have a lot more statistics for flights QF 569 and between Sydney and Perth.