Flight Changi Airport departs from Singapore Changi Airport at 07:25 and arrives at Jakarta Soekarno–Hatta International Airport at 08:25.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 369 Km. So the average speed is roughly 184 Km.
There is an 1 hour time difference between Singapore and Jakarta
The best day to arrive at Singapore is Wednesday and it would be best to avoid Saturday, as prices are on average 370.76% higher than on Wednesday. (Average prices, based on 408107755 datapoints.)
We have a lot more statistics for flights PG 4309 and between Singapore and Jakarta.
