Flight Narita International Airport departs from Tokyo Narita International Airport at 17:45 and arrives at Jakarta Soekarno–Hatta International Airport at 23:55.
The flighttime is about 8h 10m. The distance travelled ("as the bird flies"): 4356 Km. So the average speed is roughly 533 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 January. (Average prices, based on 526 datapoints.)
The best day to arrive at Tokyo is Thursday and it would be best to avoid Saturday, as prices are on average 39.64% higher than on Thursday. (Average prices, based on 9667557 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 379 datapoints.)
We have a lot more statistics for flights NH 835 and between Tokyo and Jakarta.