Flight Sydney Airport departs from Sydney Sydney Airport at 17:30 and arrives at Brisbane Brisbane Airport at 18:00.
The flighttime is about 0h 30m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 1360 Km.
The best day to arrive at Sydney is Monday and it would be best to avoid Friday, as prices are on average 273.51% higher than on Monday. (Average prices, based on 3834640 datapoints.)
We have a lot more statistics for flights QF 544 and between Sydney and Brisbane.
