Flight Perth Airport departs from Perth Perth Airport at 01:20 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 07:15.
The flighttime is about 5h 55m. The distance travelled ("as the bird flies"): 1953 Km. So the average speed is roughly 330 Km.
The best day to arrive at Perth is Thursday and it would be best to avoid Wednesday, as prices are on average 193.7% higher than on Thursday. (Average prices, based on 4599925 datapoints.)
We have a lot more statistics for flights OD 156 and between Perth and Kuala Lumpur.