Flight Tribhuvan International Airport departs from Kathmandu Tribhuvan International Airport at 01:30 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 08:35.
The flighttime is about 5h 05m. The distance travelled ("as the bird flies"): 1782 Km. So the average speed is roughly 351 Km.
There is an 2 hour time difference between Kathmandu and Kuala Lumpur