Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 09:40 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 12:55.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 600 Km. So the average speed is roughly 267 Km.
There is an 1 hour time difference between Jakarta and Kuala Lumpur
The best month to arrive at Jakarta is August and the most expensive month to fly is April. (Average prices, based on 1643 datapoints.)
We have a lot more statistics for flights CZ 712 and between Jakarta and Kuala Lumpur.