Flight Sydney Airport departs from Sydney Sydney Airport at 09:25 and arrives at Hobart Hobart International Airport at 11:20.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 944 Km. So the average speed is roughly 493 Km.
The best day to arrive at Sydney is Tuesday and it would be best to avoid Saturday, as prices are on average 653.77% higher than on Tuesday. (Average prices, based on 57704 datapoints.)
We have a lot more statistics for flights QF 1537 and between Sydney and Hobart.