Flight Brisbane Airport departs from Brisbane Brisbane Airport at 16:45 and arrives at Sydney Sydney Airport at 18:20.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 429 Km.
The best day to arrive at Brisbane is Monday and it would be best to avoid Wednesday, as prices are on average 322.81% higher than on Monday. (Average prices, based on 5454980 datapoints.)
We have a lot more statistics for flights TT 379 and between Brisbane and Sydney.