Flight Melbourne Airport departs from Melbourne Melbourne Airport at 10:50 and arrives at Brisbane Brisbane Airport at 13:00.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1343 Km. So the average speed is roughly 620 Km.
The best day to arrive at Melbourne is Wednesday and it would be best to avoid Monday, as prices are on average 281.28% higher than on Wednesday. (Average prices, based on 4301779 datapoints.)
We have a lot more statistics for flights QF 1254 and between Melbourne and Brisbane.