Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 20:20 and arrives at Yogyakarta Adisutjipto International Airport at 21:30.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1020 Km. So the average speed is roughly 471 Km.
There is an 1 hour time difference between Kuala Lumpur and Yogyakarta