Chicago, United States · ORD · #1 in this comparison
Chicago O'Hare International Airport
4 terminals (T1–T3 domestic, T5 international) · 73M+ passengers/year
How good is Chicago O'Hare International Airport?
Chicago O'Hare International Airport (ORD) scores 7.4/10 (Very Good) on FlightLogic's airport index — combining on-time performance (7.0), passenger experience (7.2), and facilities (7.8). Lounge quality rates 8.0/10. See full airport guide →
In short
Chicago O'Hare (ORD) scores 7.4/10 on FlightLogic with lounge score 8.0/10. All international flights depart Terminal 5 — alliance lounges serve Star Alliance and oneworld partners. United Polaris is in Terminal 1 only. See /guides/ord-airport-lounge-guide-2026.
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
Highlights
- Terminal 5 handles all international departures — Star Alliance, oneworld, and SkyTeam alliance lounges
- United Polaris Lounge in Terminal 1 for United long-haul business class — not reachable airside from T5
- Common connection point for UK–US domestic and UK–Asia routings via United and American
- ORD people mover links terminals landside — plan 60+ minutes for terminal changes
Overview
United Airlines and American Airlines mega-hub — Terminal 5 international departures with Star Alliance and oneworld lounges for transatlantic connections.
Terminal 5 international hub
Terminal 5 consolidates international departures with Swissport-operated alliance lounges for Star Alliance, oneworld, and SkyTeam. United and American domestic connections require landside terminal transfer and re-security.
UK travellers connecting to US domestic flights should allow 2+ hours minimum for immigration, baggage reclaim if not interlined, and re-check.