Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 16:50 and arrives at Singapore Changi Airport at 19:30.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 221 Km.
There is an 1 hour time difference between Jakarta and Singapore
The best month to arrive at Jakarta is November and the most expensive month to fly is June. (Average prices, based on 11783 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Saturday, as prices are on average 31.99% higher than on Wednesday. (Average prices, based on 580121380 datapoints.)
We have a lot more statistics for flights GA 8818 and between Jakarta and Singapore.