Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 08:20 and arrives at Labuanbajo Komodo Airport at 12:55.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 1474 Km. So the average speed is roughly 411 Km.
There is an 1 hour time difference between Jakarta and Labuanbajo