Flight Tribhuvan International Airport departs from Kathmandu Tribhuvan International Airport at 21:10 and arrives at Singapore Changi Airport at 04:25. The flighttime is about 5h 15m. The distance travelled ("as the bird flies"): 2030 Km. So the average speed is roughly 387 Km. There is an 2 hour time difference between Kathmandu and Singapore
