Flight Changi Airport departs from Singapore Changi Airport at 11:45 and arrives at Jakarta Soekarno–Hatta International Airport at 12:25.
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 Singapore and Jakarta
The best month to arrive at Singapore is May and the most expensive month to fly is September. (Average prices, based on 224 datapoints.)
The best day to arrive at Singapore is Tuesday and it would be best to avoid Sunday, as prices are on average 36.02% higher than on Tuesday. (Average prices, based on 282262082 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 208 datapoints.)
We have a lot more statistics for flights 8B 152 and between Singapore and Jakarta.