Flight International Airport departs from Sharjah International Airport at 03:45 and arrives at Kathmandu Tribhuvan International Airport at 09:20.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 3319 Km. So the average speed is roughly 926 Km.
There is an 2 hour time difference between Sharjah and Kathmandu