Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 11:00 and arrives at Tarakan Juwata International Airport at 19:45.
The flighttime is about 7h 45m. The distance travelled ("as the bird flies"): 1272 Km. So the average speed is roughly 164 Km.
There is an 1 hour time difference between Jakarta and Tarakan