Flight Tribhuvan International Airport departs from Kathmandu Tribhuvan International Airport at 23:15 and arrives at Hong Kong Hong Kong International Airport at 06:00.
The flighttime is about 4h 45m. The distance travelled ("as the bird flies"): 3173 Km. So the average speed is roughly 668 Km.
There is an 2 hour time difference between Kathmandu and Hong Kong
