Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 12:15 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 15:25.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 600 Km. So the average speed is roughly 277 Km.
There is an 1 hour time difference between Jakarta and Kuala Lumpur
The best day to arrive at Jakarta is Saturday and it would be best to avoid Monday, as prices are on average 11.28% higher than on Saturday. (Average prices, based on 294123576 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 894 datapoints.)
We have a lot more statistics for flights GA 9278 and between Jakarta and Kuala Lumpur.