Flight Sydney Airport departs from Sydney Sydney Airport at 09:00 and arrives at Brisbane Brisbane Airport at 10:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 680 Km. So the average speed is roughly 453 Km.
The best month to arrive at Sydney is April and the most expensive month to fly is October. (Average prices, based on 1114 datapoints.)
The best day to arrive at Sydney is Wednesday and it would be best to avoid Monday, as prices are on average 182.43% higher than on Wednesday. (Average prices, based on 2674078 datapoints.)
We have a lot more statistics for flights HA 4159 and between Sydney and Brisbane.