Flight Sultan Hasanuddin International Airport departs from Makassar Sultan Hasanuddin International Airport at 15:30 and arrives at Manado Sam Ratulangi International Airport at 17:25.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 714 Km. So the average speed is roughly 373 Km.
The best month to arrive at Makassar is October and the most expensive month to fly is June. (Average prices, based on 15103 datapoints.)
We have a lot more statistics for flights GA 689 and between Makassar and Manado.