Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 23:55 and arrives at Perth Perth Airport at 05:40.
The flighttime is about 5h 45m. The distance travelled ("as the bird flies"): 1953 Km. So the average speed is roughly 340 Km.
The best day to arrive at Kuala Lumpur is Tuesday and it would be best to avoid Sunday, as prices are on average 99.1% higher than on Tuesday. (Average prices, based on 6472942 datapoints.)
We have a lot more statistics for flights JT 191 and between Kuala Lumpur and Perth.