
Busiest and Biggest Airports in the US, Ranked by Passengers and Size
Atlanta is the busiest US airport, with 51.5 million passengers boarded in 2025. The top 50 from final FAA data, plus the biggest by land area and by flights.
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Data-driven rankings and lists: airports, airlines, companies, countries and more, built from public sources with the method shown in every table.
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Atlanta is the busiest US airport, with 51.5 million passengers boarded in 2025. The top 50 from final FAA data, plus the biggest by land area and by flights.