Flight Haneda Airport departs from Tokyo Haneda Airport at 00:05 and arrives at Jakarta Soekarno–Hatta International Airport at 06:00.
The flighttime is about 7h 55m. The distance travelled ("as the bird flies"): 4285 Km. So the average speed is roughly 541 Km.
There is an 2 hour time difference between Tokyo and Jakarta
The best month to arrive at Tokyo is September and the most expensive month to fly is April. (Average prices, based on 259 datapoints.)
The best day to arrive at Tokyo is Wednesday and it would be best to avoid Tuesday, as prices are on average 62.69% higher than on Wednesday. (Average prices, based on 7277146 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 188 datapoints.)
We have a lot more statistics for flights NH 871 and between Tokyo and Jakarta.