Flight Sydney Airport departs from Sydney Sydney Airport at 20:55 and arrives at Adelaide Adelaide Airport at 22:30.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 1408 Km. So the average speed is roughly 676 Km.
There is an 0.5 hour time difference between Sydney and Adelaide
The best day to arrive at Sydney is Sunday and it would be best to avoid Wednesday, as prices are on average 83.1% higher than on Sunday. (Average prices, based on 4211536 datapoints.)
We have a lot more statistics for flights QF 749 and between Sydney and Adelaide.