Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 04:00 and arrives at Makassar Sultan Hasanuddin International Airport at 07:20.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1434 Km. So the average speed is roughly 615 Km.
There is an 1 hour time difference between Jakarta and Makassar
The best day to arrive at Jakarta is Friday and it would be best to avoid Thursday, as prices are on average 20.28% higher than on Friday. (Average prices, based on 300998355 datapoints.)
We have a lot more statistics for flights JT 1898 and between Jakarta and Makassar.