Flight Adelaide Airport departs from Adelaide Adelaide Airport at 11:35 and arrives at Melbourne Melbourne Airport at 13:20.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 739 Km. So the average speed is roughly 591 Km.
There is an 0.5 hour time difference between Adelaide and Melbourne
The best day to arrive at Adelaide is Wednesday and it would be best to avoid Sunday, as prices are on average 204.85% higher than on Wednesday. (Average prices, based on 1448049 datapoints.)
We have a lot more statistics for flights QF 680 and between Adelaide and Melbourne.