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Airport

St. Mary's Airport (KSM)

St. Mary's Airport serves Saint Mary's, Alaska. In 2024, 4,250 passengers boarded flights here, down 13.5% from 2023, making it number 435 of 498 US commercial airports.

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KSMairport code
4,250passengers boarding, 2024
#435busiest of 498
4,912passengers boarding, 2023

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Passenger numbers: Federal Aviation Administration, CY 2024 commercial service enplanements (published September 2026). Location: Wikidata (CC0). All US airports by passengers.