Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 07:55 and arrives at Yogyakarta Yogyakarta International Airport at 09:15.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 0 Km. So the average speed is roughly 0 Km.
The best month to arrive at Jakarta is February and the most expensive month to fly is December. (Average prices, based on 2622 datapoints.)
We have a lot more statistics for flights KL 4068 and between Jakarta and Yogyakarta.
THB