Flight Changi Airport departs from Singapore Changi Airport at 19:50 and arrives at Jakarta Soekarno–Hatta International Airport at 20:35.
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 Singapore and Jakarta
The best month to arrive at Singapore is February and the most expensive month to fly is June. (Average prices, based on 1516 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 26.6% higher than on Tuesday. (Average prices, based on 282459654 datapoints.)
The best time to book is 31 days before the departure date. You will get, on average, the cheapest price for flight JT 151. (Average prices, based on 1252 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 1505 datapoints.)
We have a lot more statistics for flights JT 151 and between Singapore and Jakarta.