FLIGHT TIME / CALCULATED ESTIMATE
Ulaanbaatar (Sergelen) ↗ Chiang Mai
UBN / Ulaanbaatar Chinggis Khaan International AirportCNX / Chiang Mai International Airport
MODELLED FLYING TIME5h 3mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE3,289 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Ulaanbaatar (Sergelen) (UBN) and Chiang Mai (CNX) is approximately 5 hours and 3 minutes for a modelled route length of 3,289 km.
This is not a confirmed nonstop service or published airline schedule. Airlines can use different paths, and connection time, taxiing, winds, weather, airspace restrictions and operational delays can change the actual journey.
Reference coordinates
Departure: Ulaanbaatar Chinggis Khaan International Airport. Arrival: Chiang Mai International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.