Flight Melbourne Airport departs from Melbourne Melbourne Airport at 10:00 and arrives at Sydney Sydney Airport at 11:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 787 Km. So the average speed is roughly 525 Km.
The best day to arrive at Melbourne is Friday and it would be best to avoid Monday, as prices are on average 162.4% higher than on Friday. (Average prices, based on 29724301 datapoints.)
We have a lot more statistics for flights ZL 42 and between Melbourne and Sydney.