Flight Sydney Airport departs from Sydney Sydney Airport at 22:10 and arrives at Melbourne Melbourne Airport at 23:40.
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 Sydney is Wednesday and it would be best to avoid Friday, as prices are on average 482.01% higher than on Wednesday. (Average prices, based on 43092506 datapoints.)
We have a lot more statistics for flights JQ 539 and between Sydney and Melbourne.
