Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 09:45 and arrives at Pontianak Supadio International Airport at 11:15.
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 Wednesday and it would be best to avoid Friday, as prices are on average 19.42% higher than on Wednesday. (Average prices, based on 337709783 datapoints.)
We have a lot more statistics for flights IU 686 and between Jakarta and Pontianak.