Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 17:20 and arrives at Pontianak Supadio International Airport at 18:50.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 368 Km. So the average speed is roughly 245 Km.
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Wednesday, as prices are on average 114.51% higher than on Tuesday. (Average prices, based on 229054372 datapoints.)
We have a lot more statistics for flights JT 18 and between Jakarta and Pontianak.