Flight Pattimura Airport departs from Ambon Pattimura Airport at 14:40 and arrives at Jakarta Soekarno–Hatta International Airport at 18:20.
The flighttime is about 5h 40m. The distance travelled ("as the bird flies"): 2386 Km. So the average speed is roughly 421 Km.
There is an 2 hour time difference between Ambon and Jakarta