Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:00 and arrives at Makassar Sultan Hasanuddin International Airport at 09:35.The flight has a short stop at Makassar.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 1434 Km. So the average speed is roughly 555 Km.
There is an 1 hour time difference between Jakarta and Makassar