Flight Sydney Airport departs from Sydney Sydney Airport at 10:20 and arrives at Brisbane Brisbane Airport at 10:55.
The flighttime is about 0h 35m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 1166 Km.
The best day to arrive at Sydney is Thursday and it would be best to avoid Monday, as prices are on average 296.17% higher than on Thursday. (Average prices, based on 3843156 datapoints.)
We have a lot more statistics for flights QF 518 and between Sydney and Brisbane.
