Flight Cairns Airport departs from Cairns Cairns Airport at 12:45 and arrives at Brisbane Brisbane Airport at 14:55.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1295 Km. So the average speed is roughly 598 Km.
The best day to arrive at Cairns is Wednesday and it would be best to avoid Saturday, as prices are on average 119.89% higher than on Wednesday. (Average prices, based on 153617 datapoints.)
We have a lot more statistics for flights QF 713 and between Cairns and Brisbane.