Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 00:30 and arrives at Manokwari Rendani Airport at 08:30.
The flighttime is about 6h 00m. The distance travelled ("as the bird flies"): 3058 Km. So the average speed is roughly 510 Km.
There is an 2 hour time difference between Jakarta and Manokwari