Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 04:45 and arrives at Balikpapan Sultan Aji Muhammad Sulaiman Airport at 07:45.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 1156 Km. So the average speed is roughly 578 Km.
There is an 1 hour time difference between Jakarta and Balikpapan