FLIGHT TIME / CALCULATED ESTIMATE
Tehran ↗ Chicago
THR / Mehrabad International AirportORD / Chicago O'Hare International Airport
MODELLED FLYING TIME13h 10mIllustrative estimate, not a scheduled flight
GREAT-CIRCLE DISTANCE10,435 kmGeographic straight-line distance
ROUTE CATEGORYInternationalOrigin and destination country records
How long is the flight?
The calculated airborne flight-time estimate between Tehran (THR) and Chicago (ORD) is approximately 13 hours and 10 minutes for a modelled route length of 10,435 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: Mehrabad 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.