Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 16:45 and arrives at Pekanbaru Sultan Syarif Kasim II International Airport at 18:30.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 605 Km. So the average speed is roughly 346 Km.