Flight Haneda Airport departs from Tokyo Haneda Airport at 11:45 and arrives at Jakarta Soekarno–Hatta International Airport at 17:45.
The flighttime is about 8h 00m. The distance travelled ("as the bird flies"): 4285 Km. So the average speed is roughly 536 Km.
There is an 2 hour time difference between Tokyo and Jakarta
The best month to arrive at Tokyo is August and the most expensive month to fly is December. (Average prices, based on 436 datapoints.)
The best day to arrive at Tokyo is Monday and it would be best to avoid Wednesday, as prices are on average 67.48% higher than on Monday. (Average prices, based on 7294094 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 425 datapoints.)
We have a lot more statistics for flights GA 875 and between Tokyo and Jakarta.