Flight Perth Airport departs from Perth Perth Airport at 10:05 and arrives at Adelaide Adelaide Airport at 14:25.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 2516 Km. So the average speed is roughly 888 Km.
There is an 1.5 hour time difference between Perth and Adelaide
The best day to arrive at Perth is Saturday and it would be best to avoid Monday, as prices are on average 579.7% higher than on Saturday. (Average prices, based on 102347 datapoints.)
We have a lot more statistics for flights JQ 859 and between Perth and Adelaide.
