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 May and the most expensive month to fly is November. (Average prices, based on 369 datapoints.)
The best day to arrive at Tokyo is Friday and it would be best to avoid Wednesday, as prices are on average 49.96% higher than on Friday. (Average prices, based on 8146653 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 362 datapoints.)
We have a lot more statistics for flights GA 9331 and between Tokyo and Jakarta.