Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 23:25 and arrives at Tokyo Haneda Airport at 08:50.
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 July and the most expensive month to fly is December. (Average prices, based on 616 datapoints.)
We have a lot more statistics for flights SV 6206 and between Jakarta and Tokyo.