Flight Sydney Airport departs from Sydney Sydney Airport at 10:25 and arrives at Perth Perth Airport at 12:10.
The flighttime is about 4h 45m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 825 Km.
There is an 3 hour time difference between Sydney and Perth
The best month to arrive at Sydney is May and the most expensive month to fly is April. (Average prices, based on 1419 datapoints.)
The best day to arrive at Sydney is Saturday and it would be best to avoid Monday, as prices are on average 71.46% higher than on Saturday. (Average prices, based on 7048552 datapoints.)
We have a lot more statistics for flights QF 581 and between Sydney and Perth.