Flight Perth Airport departs from Perth Perth Airport at 05:00 and arrives at Sydney Sydney Airport at 12:10.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 940 Km.
There is an 3 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 309.42% higher than on Saturday. (Average prices, based on 15257344 datapoints.)
We have a lot more statistics for flights QF 642 and between Perth and Sydney.
