Flight Brisbane Airport departs from Brisbane Brisbane Airport at 05:15 and arrives at Sydney Sydney Airport at 07:50.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 263 Km.
The best day to arrive at Brisbane is Thursday and it would be best to avoid Friday, as prices are on average 108.22% higher than on Thursday. (Average prices, based on 5442180 datapoints.)
We have a lot more statistics for flights VA 904 and between Brisbane and Sydney.