Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 16:30 and arrives at Makassar Sultan Hasanuddin International Airport at 20:05.
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
The best day to arrive at Jakarta is Thursday and it would be best to avoid Sunday, as prices are on average 14.45% higher than on Thursday. (Average prices, based on 409114596 datapoints.)
The best time to book is 48 days before the departure date. You will get, on average, the cheapest price for flight GA 612. (Average prices, based on 3787 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 4029 datapoints.)
We have a lot more statistics for flights GA 612 and between Jakarta and Makassar.