Flight Perth Airport departs from Perth Perth Airport at 11:15 and arrives at Sydney Sydney Airport at 17:35.
The flighttime is about 4h 20m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 904 Km.
There is an 2 hour time difference between Perth and Sydney
The best day to arrive at Perth is Saturday and it would be best to avoid Tuesday, as prices are on average 178.58% higher than on Saturday. (Average prices, based on 12208276 datapoints.)
We have a lot more statistics for flights VA 558 and between Perth and Sydney.