Flight Melbourne Airport departs from Melbourne Melbourne Airport at 19:30 and arrives at Sydney Sydney Airport at 20:55.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 787 Km. So the average speed is roughly 556 Km.
The best day to arrive at Melbourne is Tuesday and it would be best to avoid Saturday, as prices are on average 133.16% higher than on Tuesday. (Average prices, based on 27788343 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 140 datapoints.)
We have a lot more statistics for flights QF 490 and between Melbourne and Sydney.