Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 06:15 and arrives at Bandar Seri Begawan Brunei International Airport at 09:45.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1015 Km. So the average speed is roughly 406 Km.
There is an 1 hour time difference between Jakarta and Bandar Seri Begawan
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Monday, as prices are on average 31.55% higher than on Wednesday. (Average prices, based on 372867 datapoints.)
We have a lot more statistics for flights BI 738 and between Jakarta and Bandar Seri Begawan.