Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 17:00 and arrives at Jakarta Soekarno–Hatta International Airport at 18:05.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 600 Km. So the average speed is roughly 288 Km.
There is an 1 hour time difference between Kuala Lumpur and Jakarta
The best month to arrive at Kuala Lumpur is February and the most expensive month to fly is April. (Average prices, based on 4459 datapoints.)
We have a lot more statistics for flights KL 8399 and between Kuala Lumpur and Jakarta.