Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 21:55 and arrives at Tokyo Haneda Airport at 07:30.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 4285 Km. So the average speed is roughly 565 Km.
There is an 2 hour time difference between Jakarta and Tokyo
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Friday, as prices are on average 14.81% higher than on Tuesday. (Average prices, based on 9777116 datapoints.)
We have a lot more statistics for flights GA 9152 and between Jakarta and Tokyo.