Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 07:00 and arrives at Pekanbaru Sultan Syarif Kasim II International Airport at 08:40.
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 day to arrive at Jakarta is Friday and it would be best to avoid Monday, as prices are on average 6.37% higher than on Friday. (Average prices, based on 135880659 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 640 datapoints.)
We have a lot more statistics for flights IU 2910 and between Jakarta and Pekanbaru.