Flight Narita International Airport departs from Tokyo Narita International Airport at 17:50 and arrives at Jakarta Soekarno–Hatta International Airport at 23:45.
The flighttime is about 7h 55m. The distance travelled ("as the bird flies"): 4356 Km. So the average speed is roughly 550 Km.
There is an 2 hour time difference between Tokyo and Jakarta
The best month to arrive at Tokyo is November and the most expensive month to fly is April. (Average prices, based on 1068 datapoints.)
The best day to arrive at Tokyo is Thursday and it would be best to avoid Saturday, as prices are on average 34.37% higher than on Thursday. (Average prices, based on 8060711 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 1051 datapoints.)
We have a lot more statistics for flights NH 835 and between Tokyo and Jakarta.