Flight Melbourne Airport departs from Melbourne Melbourne Airport at 07:05 and arrives at Perth Perth Airport at 09:15.
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 Saturday and it would be best to avoid Monday, as prices are on average 79.66% higher than on Saturday. (Average prices, based on 491403 datapoints.)
We have a lot more statistics for flights QF 767 and between Melbourne and Perth.