Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:40 and arrives at Jakarta Halim Perdanakusuma International Airport at 08:55.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 26 Km. So the average speed is roughly 12 Km.
The best day to arrive at Jakarta is Monday and it would be best to avoid Thursday, as prices are on average 9.35% higher than on Monday. (Average prices, based on 210488 datapoints.)
We have a lot more statistics for flights QG 9888 and between Jakarta and Jakarta.