FLIGHT TIME / CALCULATED ESTIMATE
Ulaanbaatar (Sergelen) ↗ Chicago
UBN / Ulaanbaatar Chinggis Khaan International AirportORD / Chicago O'Hare International Airport
MODELLED FLYING TIME12h 35mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE9,944 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 Chicago (ORD) is approximately 12 hours and 35 minutes for a modelled route length of 9,944 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: Chicago O'Hare International Airport. Both airport-code and coordinate records are drawn from the site’s imported aviation dataset, with initial curated data used until refreshed.