Flight Tribhuvan International Airport departs from Kathmandu Tribhuvan International Airport at 10:05 and arrives at Abu Dhabi International Airport at 13:00.
The flighttime is about 4h 55m. The distance travelled ("as the bird flies"): 3416 Km. So the average speed is roughly 695 Km.
There is an 2 hour time difference between Kathmandu and Abu Dhabi