Flight Changi Airport departs from Singapore Changi Airport at 21:55 and arrives at Jakarta Soekarno–Hatta International Airport at 22:40.
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 day to arrive at Singapore is Friday and it would be best to avoid Monday, as prices are on average 641.53% higher than on Friday. (Average prices, based on 282983733 datapoints.)
We have a lot more statistics for flights MI 968 and between Singapore and Jakarta.