Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 07:00 and arrives at Tokyo Haneda Airport at 16:25.
The flighttime is about 7h 25m. The distance travelled ("as the bird flies"): 4285 Km. So the average speed is roughly 578 Km.
There is an 2 hour time difference between Jakarta and Tokyo
The best month to arrive at Jakarta is June and the most expensive month to fly is December. (Average prices, based on 519 datapoints.)
We have a lot more statistics for flights NH 9350 and between Jakarta and Tokyo.