Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 15:50 and arrives at Mumbai Chhatrapati Shivaji International Airport at 20:50.
The flighttime is about 6h 30m. The distance travelled ("as the bird flies"): 3664 Km. So the average speed is roughly 564 Km.
There is an 1.5 hour time difference between Jakarta and Mumbai
