Flight Sydney Airport departs from Sydney Sydney Airport at 21:35 and arrives at Brisbane Brisbane Airport at 22:05.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 453 Km.
There is an 1 hour time difference between Sydney and Brisbane
The best day to arrive at Sydney is Monday and it would be best to avoid Sunday, as prices are on average 226.7% higher than on Monday. (Average prices, based on 3683548 datapoints.)
We have a lot more statistics for flights QF 556 and between Sydney and Brisbane.
