Flight Brisbane Airport departs from Brisbane Brisbane Airport at 15:05 and arrives at Sydney Sydney Airport at 17:40.
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 Monday and it would be best to avoid Thursday, as prices are on average 114.99% higher than on Monday. (Average prices, based on 5418094 datapoints.)
We have a lot more statistics for flights VA 958 and between Brisbane and Sydney.