Flight Melbourne Airport departs from Melbourne Melbourne Airport at 08:15 and arrives at Sydney Sydney Airport at 09:45.
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 Wednesday, as prices are on average 76.77% higher than on Friday. (Average prices, based on 32372085 datapoints.)
We have a lot more statistics for flights QF 420 and between Melbourne and Sydney.
