Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 11:55 and arrives at Singapore Changi Airport at 14:45.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 201 Km.
There is an 1 hour time difference between Jakarta and Singapore
The best month to arrive at Jakarta is February and the most expensive month to fly is December. (Average prices, based on 6331 datapoints.)
The best day to arrive at Jakarta is Thursday and it would be best to avoid Monday, as prices are on average 194.24% higher than on Thursday. (Average prices, based on 964327824 datapoints.)
We have a lot more statistics for flights SQ 8439 and between Jakarta and Singapore.
