Marathon Airport

Marathon Airport is an airport located in Marathon Ontario, CA. The airport's IATA code is YSP, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is CYSP, used by air traffic control and pilots for flight planning.

The airport operates in the America/Toronto timezone. When planning flights to or from YSP, use our flight duration calculator to account for timezone differences, especially for international travel.

Marathon Airport sits at an elevation of 1,035 feet (315 meters) above sea level.

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