Flight Changi Airport departs from Singapore Changi Airport at 13:25 and arrives at Jakarta Soekarno–Hatta International Airport at 16:20.
The flighttime is about 3h 55m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 94 Km.
There is an 1 hour time difference between Singapore and Jakarta
The best day to arrive at Singapore is Thursday and it would be best to avoid Wednesday, as prices are on average 538.3% higher than on Thursday. (Average prices, based on 407211562 datapoints.)
We have a lot more statistics for flights GA 834 and between Singapore and Jakarta.
