Flight Perth Airport departs from Perth Perth Airport at 09:05 and arrives at Sydney Sydney Airport at 15:10.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 959 Km.
There is an 2 hour time difference between Perth and Sydney
The best day to arrive at Perth is Sunday and it would be best to avoid Saturday, as prices are on average 156.65% higher than on Sunday. (Average prices, based on 15328256 datapoints.)
We have a lot more statistics for flights QF 644 and between Perth and Sydney.
