Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 09:00 and arrives at Phnom Penh Phnom Penh International Airport at 10:00.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 414 Km. So the average speed is roughly 207 Km.
There is an 1 hour time difference between Kuala Lumpur and Phnom Penh