Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 08:30 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 11:50.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 600 Km. So the average speed is roughly 257 Km.
There is an 1 hour time difference between Jakarta and Kuala Lumpur
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Monday, as prices are on average 103.35% higher than on Tuesday. (Average prices, based on 294638822 datapoints.)
We have a lot more statistics for flights MF 820 and between Jakarta and Kuala Lumpur.