Back to CalculatorRoute ID: ORD-IAH
Flight Distance from Chicago (ORD) to Houston (IAH)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
ORDKORD
Chicago, United States
Chicago O'Hare International Airport
Great Circle Path
1,491 km926 miles • 805 NM
Destination Airport
KIAHIAH
Houston, United States
George Bush Intercontinental Airport
Direct Distance
1,491 km
926 Statute Miles
805 Nautical Miles
Commercial Flight
2h 15m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
134 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
209° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
2h 15m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
2h 7m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
3h 22m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🇺🇸 United States
Allowed Stay365 days
Passport Validity Required0 months
💡 Official Note: Freedom of movement within home country.
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Chicago O'Hare International Airport (ORD)
- City / Country: Chicago, United States
- ICAO Code: KORD
- Coordinates: 41.9786°, -87.9048°
- Timezone: America/Chicago
- Elevation: 680 ft
Arrival Airport Specs
George Bush Intercontinental Airport (IAH)
- City / Country: Houston, United States
- ICAO Code: KIAH
- Coordinates: 29.9844°, -95.3414°
- Timezone: America/Chicago
- Elevation: 97 ft
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