Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 09:10 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 12:25.
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 day to arrive at Jakarta is Tuesday and it would be best to avoid Monday, as prices are on average 444.01% higher than on Tuesday. (Average prices, based on 295166964 datapoints.)
We have a lot more statistics for flights BR 712 and between Jakarta and Kuala Lumpur.