Flight Sydney Airport departs from Sydney Sydney Airport at 11:40 and arrives at Brisbane Brisbane Airport at 12:15.
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 Wednesday and it would be best to avoid Saturday, as prices are on average 101.21% higher than on Wednesday. (Average prices, based on 3836052 datapoints.)
We have a lot more statistics for flights QF 522 and between Sydney and Brisbane.
