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Dublin Airport vs Chicago O'Hare International Airport
Detailed comparison of DUB and ORD on FlightLogic scores and passenger experience.
Verdict
Dublin Airport (DUB) scores higher overall at 7.5/10 versus Chicago O'Hare International Airport (ORD) at 7.4/10. Chicago O'Hare International Airport leads on lounges at 8.0/10.
Dublin Airport (DUB) scores 7.5/10 (Very Good)
on FlightLogic's airport index — combining on-time performance (7.3),
passenger experience (7.4), and facilities (7.8).
Lounge quality rates 7.6/10. See full airport guide →
In short
Dublin DUB scores 7.5/10 — Ireland hub with US Pre-Clearance on Aer Lingus. Strategic UK positioning for transatlantic. See /guides/best-airlines-uk-dublin and /guides/dublin-airport-lounge-guide.
FlightLogic Score7.5Very Good
On-time7.3Departure reliability
Experience7.4Staff, queues, cleanliness
Facilities7.8Food, shops, seating
Lounges7.6Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
7.3
Passenger Experience
7.4
Facilities & Comfort
7.8
Lounge score7.6/10
Highlights
US Pre-Clearance — arrive in US as domestic passenger on Aer Lingus transatlantic
Dense UK schedule — Ryanair, Aer Lingus, BA from Heathrow, Gatwick, Manchester, and 15+ regional UK airports
Aer Lingus T2 lounge for business and AerClub Gold; 51st & Green US Pre-Clearance facility
UK261 on UK-departing Aer Lingus; EU261 on DUB EU departures
Overview
Ireland's hub and a strategic UK outbound gateway — Aer Lingus US Pre-Clearance, dense Ryanair/easyJet Europe network, and short hop from UK regional airports.
UK positioning and Pre-Clearance
UK travellers use DUB as a lower-fare transatlantic gateway via Aer Lingus — Pre-Clearance saves 60–90 min at US immigration. Factor positioning flight cost from UK regional airports.
Ryanair's largest base offers cheapest UK–Europe fares — compare total cost vs Stansted/Luton on same route.
Chicago, United States · ORD · #2 in this comparison
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.
FlightLogic Score7.4Very Good
On-time7.0Departure reliability
Experience7.2Staff, queues, cleanliness
Facilities7.8Food, shops, seating
Lounges8.0Lounge quality
Rating basisEditorialFlightLogic methodology
Score breakdown
Modelled on industry airport indices — on-time data, facilities ratings, and editorial experience signals combined into a single FlightLogic score.
On-Time Performance
7.0
Passenger Experience
7.2
Facilities & Comfort
7.8
Lounge score8.0/10
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.
More comparisons
Compare Dublin Airport (DUB) against 59 other airports
Which is better, Dublin Airport or Chicago O'Hare International Airport?
Dublin Airport (DUB) scores higher overall at 7.5/10 versus Chicago O'Hare International Airport (ORD) at 7.4/10. Chicago O'Hare International Airport leads on lounges at 8.0/10.
Which has better lounges, DUB or ORD?
Chicago O'Hare International Airport (ORD) scores higher for lounges at 8.0/10, versus Dublin Airport at 7.6/10.
Which airport is more on-time, DUB or ORD?
Dublin Airport (DUB) has stronger on-time performance at 7.3/10 versus Chicago O'Hare International Airport (ORD) at 7.0/10.