Flight Kuala Lumpur International Airport departs from Kuala Lumpur Kuala Lumpur International Airport at 23:50 and arrives at Chitose New Chitose Airport at 08:25.
The flighttime is about 7h 35m. The distance travelled ("as the bird flies"): 4803 Km. So the average speed is roughly 633 Km.
There is an 1 hour time difference between Kuala Lumpur and Chitose