Flight Perth Airport departs from Perth Perth Airport at 08:00 and arrives at Sydney Sydney Airport at 15:10.
The flighttime is about 5h 10m. The distance travelled ("as the bird flies"): 3917 Km. So the average speed is roughly 758 Km.
There is an 2 hour time difference between Perth and Sydney
The best month to arrive at Perth is February and the most expensive month to fly is May. (Average prices, based on 1249 datapoints.)
The best day to arrive at Perth is Sunday and it would be best to avoid Saturday, as prices are on average 296.09% higher than on Sunday. (Average prices, based on 12926738 datapoints.)
We have a lot more statistics for flights QF 644 and between Perth and Sydney.