Flight Melbourne Airport departs from Melbourne Melbourne Airport at 13:15 and arrives at Perth Perth Airport at 15:25.
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 Friday and it would be best to avoid Thursday, as prices are on average 1095.99% higher than on Friday. (Average prices, based on 504724 datapoints.)
We have a lot more statistics for flights QF 773 and between Melbourne and Perth.