Flight Brisbane Airport departs from Brisbane Brisbane Airport at 13:10 and arrives at Perth Perth Airport at 16:45.
The flighttime is about 5h 35m. The distance travelled ("as the bird flies"): 4143 Km. So the average speed is roughly 742 Km.
There is an 2 hour time difference between Brisbane and Perth
The best day to arrive at Brisbane is Tuesday and it would be best to avoid Monday, as prices are on average 396.75% higher than on Tuesday. (Average prices, based on 313424 datapoints.)
We have a lot more statistics for flights QF 937 and between Brisbane and Perth.