Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:20 and arrives at Tokyo Narita International Airport at 15:55.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 4356 Km. So the average speed is roughly 574 Km.
There is an 2 hour time difference between Jakarta and Tokyo
The best month to arrive at Jakarta is July and the most expensive month to fly is December. (Average prices, based on 2429 datapoints.)
We have a lot more statistics for flights MH 836 and between Jakarta and Tokyo.