Flight Melbourne Airport departs from Melbourne Melbourne Airport at 07:10 and arrives at Sydney Sydney Airport at 08:40.
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 Wednesday and it would be best to avoid Saturday, as prices are on average 66.87% higher than on Wednesday. (Average prices, based on 29736339 datapoints.)
We have a lot more statistics for flights ZL 18 and between Melbourne and Sydney.