Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 12:30 and arrives at Singapore Changi Airport at 15:15.
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 Tuesday and it would be best to avoid Thursday, as prices are on average 40.69% higher than on Tuesday. (Average prices, based on 589644892 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 555 datapoints.)
We have a lot more statistics for flights SL 7151 and between Jakarta and Singapore.