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Chicago O'Hare International Airport vs Hartsfield-Jackson Atlanta International Airport
Detailed comparison of ORD and ATL on FlightLogic scores and passenger experience.
Verdict
Chicago O'Hare International Airport (ORD) scores higher overall at 7.4/10 versus Hartsfield-Jackson Atlanta International Airport (ATL) at 7.3/10. Hartsfield-Jackson Atlanta International Airport is more reliable for on-time departures (7.1/10).
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.
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.
Atlanta, United States · ATL · #2 in this comparison
Domestic + International Terminal (Maynard H. Jackson) · 104M+ passengers/year
7.3/ 10
How good is Hartsfield-Jackson Atlanta International Airport?
Hartsfield-Jackson Atlanta International Airport (ATL) scores 7.3/10 (Very Good)
on FlightLogic's airport index — combining on-time performance (7.1),
passenger experience (7.0), and facilities (7.8).
Lounge quality rates 7.9/10. See full airport guide →
In short
Atlanta ATL is rated 7.3/10 on FlightLogic — the world's busiest airport. Delta Sky Club network serves premium passengers; International Terminal F for foreign carriers. Allow 75+ minutes for domestic connections. See /guides/atlanta-airport-lounge-guide-2026.
FlightLogic Score7.3Very Good
On-time7.1Departure reliability
Experience7.0Staff, queues, cleanliness
Facilities7.8Food, shops, seating
Lounges7.9Lounge 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
7.1
Passenger Experience
7.0
Facilities & Comfort
7.8
Lounge score7.9/10
Highlights
Delta operates 75%+ of ATL traffic — Sky Club locations throughout domestic concourses
International Terminal (Terminal F) handles all foreign carriers and Delta long-haul
Domestic connections typically stay airside within 45–75 minutes on Delta
UK travellers connect via Delta partners from LHR and MAN
Overview
World's busiest airport by passenger volume — Delta Air Lines fortress hub with Sky Club network and efficient domestic connections.
Delta hub and International Terminal
Delta's ATL hub uses Concourses A–E for domestic and short-haul international. The separate International Terminal (Concourse F) handles all foreign-flag carriers and Delta long-haul to Europe and Asia.
Sky Club locations span multiple concourses — access is terminal-specific. Amex Centurion is in Concourse E for domestic Delta departures.
FAQ
Which is better, Chicago O'Hare International Airport or Hartsfield-Jackson Atlanta International Airport?
Chicago O'Hare International Airport (ORD) scores higher overall at 7.4/10 versus Hartsfield-Jackson Atlanta International Airport (ATL) at 7.3/10. Hartsfield-Jackson Atlanta International Airport is more reliable for on-time departures (7.1/10).
Which has better lounges, ORD or ATL?
Chicago O'Hare International Airport (ORD) scores higher for lounges at 8.0/10, versus Hartsfield-Jackson Atlanta International Airport at 7.9/10.
Which airport is more on-time, ORD or ATL?
Hartsfield-Jackson Atlanta International Airport (ATL) has stronger on-time performance at 7.1/10 versus Chicago O'Hare International Airport (ORD) at 7.0/10.
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