Flight Sydney Airport departs from Sydney Sydney Airport at 21:50 and arrives at Brisbane Brisbane Airport at 23:25.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 429 Km.
The best month to arrive at Sydney is April and the most expensive month to fly is November. (Average prices, based on 849 datapoints.)
The best day to arrive at Sydney is Monday and it would be best to avoid Friday, as prices are on average 199.99% higher than on Monday. (Average prices, based on 3908528 datapoints.)
We have a lot more statistics for flights QF 558 and between Sydney and Brisbane.