Chicago O'Hare International Airport Terminal Guide
ORD · Chicago · US — Gates, facilities and insider tips.
Terminal Information
Chicago O'Hare has four passenger terminals: T1 (United hub), T2 (United domestic overflow and regional), T3 (American Airlines and oneworld), and T5 (international flights for all carriers including non-US airlines). An underground tunnel with moving walkways and neon art connects T1–T3. T5 requires an airside bus transfer.
Gates & Boarding
T1: gates B and C (United mainline and Star Alliance). T2: gates E, F (regional). T3: gates G, H, K (American, BA, Cathay, Qantas). T5: gates M (all international). Remote bus gate transfers are used.
Gate information can change. Always check the live departure boards on arrival at the airport.
Facilities & Services
Extensive dining and retail including the famous Xando Coffee & Bar and local Chicago restaurants. CTA Blue Line (O'Hare station) to downtown Chicago Loop in 45 min ($2.50 fare). Taxi ~$45 to city centre. Uber/Lyft use designated ground transport zones.
Insider Tips
O'Hare is one of the world's busiest airports — delays are common. Allow 2+ hours for connections involving T5. The Blue Line runs 24 hours and is the most reliable city transfer. O'Hare has significant ongoing construction — signage can be confusing.
- →International flights: arrive at least 2 hours before departure (3 hours peak season)
- →Domestic flights: 60–90 minutes before departure is usually sufficient
- →Check your airline's website for specific baggage rules and check-in deadlines
- →Use the airport's official website for live flight status and real-time gate information
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Frequently Asked Questions
How many terminals does Chicago O'Hare International Airport have?
Chicago O'Hare has four passenger terminals: T1 (United hub), T2 (United domestic overflow and regional), T3 (American Airlines and oneworld), and T5 (international flights for all carriers including non-US airlines). An underground tunnel with moving walkways and neon art connects T1–T3. T5 requires an airside bus transfer.
What facilities are available at Chicago O'Hare International Airport?
Extensive dining and retail including the famous Xando Coffee & Bar and local Chicago restaurants. CTA Blue Line (O'Hare station) to downtown Chicago Loop in 45 min ($2.50 fare). Taxi ~$45 to city centre. Uber/Lyft use designated ground transport zones.
How do I get from Chicago O'Hare International Airport to the city centre?
From Chicago O'Hare International Airport, you can reach the city by taxi, private transfer, bus or rail depending on the destination. See our ground transport guide for detailed options and estimated costs.
How early should I arrive at Chicago O'Hare International Airport?
For international flights from Chicago O'Hare International Airport, arrive at least 2 hours before departure. During peak summer season (July–August), arrive 2.5–3 hours early. Domestic flights typically require 60–90 minutes.