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Airport

Sidney-Richland Municipal Airport (SDY)

Sidney-Richland Municipal Airport serves Sidney, Montana. In 2024, 7,331 passengers boarded flights here, down 8.6% from 2023, making it number 399 of 498 US commercial airports.

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SDYairport code
7,331passengers boarding, 2024
#399busiest of 498
8,020passengers 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.