Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:35 and arrives at Tokyo Haneda Airport at 15:50.
The flighttime is about 7h 15m. The distance travelled ("as the bird flies"): 4285 Km. So the average speed is roughly 591 Km.
There is an 2 hour time difference between Jakarta and Tokyo
The best month to arrive at Jakarta is January and the most expensive month to fly is December. (Average prices, based on 1261 datapoints.)
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Saturday, as prices are on average 29.92% higher than on Tuesday. (Average prices, based on 12746152 datapoints.)
We have a lot more statistics for flights JL 720 and between Jakarta and Tokyo.