Flight Narita International Airport departs from Tokyo Narita International Airport at 10:50 and arrives at Jakarta Soekarno–Hatta International Airport at 16:55.
The flighttime is about 8h 05m. The distance travelled ("as the bird flies"): 4356 Km. So the average speed is roughly 539 Km.
There is an 2 hour time difference between Tokyo and Jakarta
The best month to arrive at Tokyo is July and the most expensive month to fly is December. (Average prices, based on 396 datapoints.)
The best day to arrive at Tokyo is Monday and it would be best to avoid Wednesday, as prices are on average 64.84% higher than on Monday. (Average prices, based on 11463966 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 393 datapoints.)
We have a lot more statistics for flights GA 9153 and between Tokyo and Jakarta.