Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 23:15 and arrives at Jayapura Sentani International Airport at 06:35.
The flighttime is about 5h 20m. The distance travelled ("as the bird flies"): 3769 Km. So the average speed is roughly 707 Km.
There is an 2 hour time difference between Jakarta and Jayapura
The best day to arrive at Jakarta is Monday and it would be best to avoid Wednesday, as prices are on average 77.08% higher than on Monday. (Average prices, based on 64764016 datapoints.)
We have a lot more statistics for flights GA 664 and between Jakarta and Jayapura.