Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 10:00 and arrives at Pekanbaru Sultan Syarif Kasim II International Airport at 11:40.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 605 Km. So the average speed is roughly 363 Km.
The best month to arrive at Jakarta is August and the most expensive month to fly is December. (Average prices, based on 3491 datapoints.)
We have a lot more statistics for flights OD 864 and between Jakarta and Pekanbaru.