Flight Sydney Airport departs from Sydney Sydney Airport at 16:55 and arrives at Melbourne Melbourne Airport at 07:15.The flight has a short stop at Canberra.
The flighttime is about 14h 20m. The distance travelled ("as the bird flies"): 787 Km. So the average speed is roughly 55 Km.
The best day to arrive at Sydney is Thursday and it would be best to avoid Saturday, as prices are on average 132.86% higher than on Thursday. (Average prices, based on 36469661 datapoints.)
We have a lot more statistics for flights QF 1511 and between Sydney and Melbourne.