Flight Brisbane Airport departs from Brisbane Brisbane Airport at 20:25 and arrives at Perth Perth Airport at 00:20.
The flighttime is about 5h 55m. The distance travelled ("as the bird flies"): 4143 Km. So the average speed is roughly 700 Km.
There is an 2 hour time difference between Brisbane and Perth
The best day to arrive at Brisbane is Saturday and it would be best to avoid Wednesday, as prices are on average 35.04% higher than on Saturday. (Average prices, based on 313114 datapoints.)
We have a lot more statistics for flights VA 474 and between Brisbane and Perth.