Flight Melbourne Airport departs from Melbourne Melbourne Airport at 18:25 and arrives at Perth Perth Airport at 20:35.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 3233 Km. So the average speed is roughly 776 Km.
There is an 2 hour time difference between Melbourne and Perth
The best day to arrive at Melbourne is Sunday and it would be best to avoid Thursday, as prices are on average 163.02% higher than on Sunday. (Average prices, based on 491538 datapoints.)
We have a lot more statistics for flights QF 777 and between Melbourne and Perth.