Flight Changi Airport departs from Singapore Changi Airport at 17:50 and arrives at Jakarta Soekarno–Hatta International Airport at 18:45.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 193 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 Monday, as prices are on average 288.57% higher than on Thursday. (Average prices, based on 424773627 datapoints.)
We have a lot more statistics for flights VN 3253 and between Singapore and Jakarta.
