Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 10:00 and arrives at Bengkulu Fatmawati Soekarno Airport at 11:15.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 483 Km. So the average speed is roughly 386 Km.
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Sunday, as prices are on average 16.25% higher than on Tuesday. (Average prices, based on 28202920 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 127 datapoints.)
We have a lot more statistics for flights IU 830 and between Jakarta and Bengkulu.