Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 07:10 and arrives at Kupang El Tari International Airport at 12:45.The flight has a short stop at Surabaya.
The flighttime is about 4h 35m. The distance travelled ("as the bird flies"): 1900 Km. So the average speed is roughly 415 Km.
There is an 1 hour time difference between Jakarta and Kupang
The best month to arrive at Jakarta is February and the most expensive month to fly is December. (Average prices, based on 991 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Thursday, as prices are on average 9.2% higher than on Monday. (Average prices, based on 89701065 datapoints.)
We have a lot more statistics for flights GA 448 and between Jakarta and Kupang.