Flight Avalon Airport departs from Melbourne Avalon Airport at 10:35 and arrives at Sydney Sydney Airport at 11:55.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 839 Km. So the average speed is roughly 629 Km.
The best day to arrive at Melbourne is Tuesday and it would be best to avoid Sunday, as prices are on average 199.95% higher than on Tuesday. (Average prices, based on 1001138 datapoints.)
We have a lot more statistics for flights JQ 606 and between Melbourne and Sydney.