Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:15 and arrives at Singapore Changi Airport at 09:00.
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 Sunday and it would be best to avoid Thursday, as prices are on average 25.2% higher than on Sunday. (Average prices, based on 582613737 datapoints.)
The best time to book is 27 days before the departure date. You will get, on average, the cheapest price for flight JT 152. (Average prices, based on 2299 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 3481 datapoints.)
We have a lot more statistics for flights JT 152 and between Jakarta and Singapore.