Flight Brisbane Airport departs from Brisbane Brisbane Airport at 17:40 and arrives at Cairns Cairns Airport at 20:10.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1295 Km. So the average speed is roughly 518 Km.
The best day to arrive at Brisbane is Wednesday and it would be best to avoid Tuesday, as prices are on average 186.43% higher than on Wednesday. (Average prices, based on 105662 datapoints.)
We have a lot more statistics for flights VA 793 and between Brisbane and Cairns.