Seattle–Tacoma International Airport in May 2026

Everything we hold for Seattle–Tacoma International Airport in May 2026: 37,814 flights (arrivals + departures) (the US BTS) · 46,545 tonnes of cargo (the US BTS) · 4,507,971 passengers (the US BTS) · 5,524,507 seats offered (the US BTS). Each figure carries the body that published it and how it was measured.

Day by day in this month

No day-level counts for this month.

Figure

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How it is measuredFigure Domestic / InternationalSource
Flights (arrivals + departures) all traffic at the airport 37,814 33,851 / 3,963 the US BTS
Tonnes of cargo all traffic at the airport 46,545 31,595 / 14,950 the US BTS
Passengers all traffic at the airport 4,507,971 3,904,722 / 603,249 the US BTS
Seats offered all traffic at the airport 5,524,507 4,779,368 / 745,139 the US BTS

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