Flight Changi Airport departs from Singapore Changi Airport at 08:00 and arrives at Jakarta Soekarno–Hatta International Airport at 08:50.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 201 Km.
There is an 1 hour time difference between Singapore and Jakarta
The best day to arrive at Singapore is Saturday and it would be best to avoid Monday, as prices are on average 325.68% higher than on Saturday. (Average prices, based on 386209383 datapoints.)
We have a lot more statistics for flights SQ 8554 and between Singapore and Jakarta.
