Flight Adelaide Airport departs from Adelaide Adelaide Airport at 06:00 and arrives at Melbourne Melbourne Airport at 07:50.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 739 Km. So the average speed is roughly 554 Km.
There is an 0.5 hour time difference between Adelaide and Melbourne
The best day to arrive at Adelaide is Saturday and it would be best to avoid Monday, as prices are on average 45.4% higher than on Saturday. (Average prices, based on 1451471 datapoints.)
We have a lot more statistics for flights QF 670 and between Adelaide and Melbourne.