Flight Sydney Airport departs from Sydney Sydney Airport at 17:35 and arrives at Brisbane Brisbane Airport at 19:05.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 453 Km.
The best month to arrive at Sydney is April and the most expensive month to fly is October. (Average prices, based on 1114 datapoints.)
The best day to arrive at Sydney is Sunday and it would be best to avoid Tuesday, as prices are on average 215.74% higher than on Sunday. (Average prices, based on 2670424 datapoints.)
We have a lot more statistics for flights QF 542 and between Sydney and Brisbane.