Flight Sultan Hasanuddin International Airport departs from Makassar Sultan Hasanuddin International Airport at 11:10 and arrives at Jakarta Soekarno–Hatta International Airport at 12:40.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1434 Km. So the average speed is roughly 574 Km.
There is an 1 hour time difference between Makassar and Jakarta