Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 23:45 and arrives at Tokyo Narita International Airport at 08:50.
The flighttime is about 7h 05m. The distance travelled ("as the bird flies"): 4356 Km. So the average speed is roughly 615 Km.
There is an 2 hour time difference between Jakarta and Tokyo
The best month to arrive at Jakarta is February and the most expensive month to fly is April. (Average prices, based on 724 datapoints.)
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Monday, as prices are on average 26.65% higher than on Tuesday. (Average prices, based on 19689302 datapoints.)
We have a lot more statistics for flights JL 5012 and between Jakarta and Tokyo.
