Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 09:45 and arrives at Singapore Changi Airport at 12:30.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 211 Km.
There is an 1 hour time difference between Jakarta and Singapore
The best day to arrive at Jakarta is Saturday and it would be best to avoid Thursday, as prices are on average 105.9% higher than on Saturday. (Average prices, based on 580473390 datapoints.)
We have a lot more statistics for flights GA 830 and between Jakarta and Singapore.
AUD
