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Aviation - Passengers & cargo moved

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Measures of aviation mobility including passenger enplanements and cargo landed weight

Passengers & cargo moved

Passenger enplanements is the number of air passengers departing an airport.

Cargo landed weight (reported in thousands of pounds) is the sum of the Maximum Certificated Gross Landed Weight for all Revenue Aircraft Arrivals over a specified period of time.


Source: WSDOT Aviation Division.


Multi-year trends

The total number of passenger enplanements in Washington increased every year from 2015 through 2019. Notably, between 2015 and 2019, passenger enplanements from Seattle-Tacoma International Airport increased by 25% from 20 million to 25 million. In 2019, new commercial passenger service started in Snohomish County airport (Paine Field), where the passenger enplanements increased 127.3% from 3,037 in 2015 to 389,778 in 2019.

Between 2015 and 2019, statewide total cargo tonnage increased by 28%, going from 1.56 million tons in 2015 to 1.99 million tons in 2019. All Washington airports except Boeing Field, experienced increases in cargo operations between 2015 and 2019.

Annual highlights

In 2019, Seattle-Tacoma International Airport had 25.0 million passenger enplanements, up 4.2% from 24.0 million in 2018. The second largest number of enplanements occurred at Spokane International Airport, which had 1.9 million enplanements. Additionally, commercial passenger service at Snohomish County Airport (Paine Field) began in 2019, resulting in a 127.3% increase in passenger enplanements from 3,037 in 2018 to 389,778 in 2019.

In 2019, a total of 1.99 million tons of air cargo was landed at airports in Washington state, up 1.9% from 1.95 million tons in 2018.

In 2018, Seattle-Tacoma International Airport had 24.0 million passenger enplanements, up 6.2% from 22.6 million in 2017. The second largest number of enplanements occurred at Spokane International Airport, which had 1.9 million enplanements (up 11.8% from 1.7 million in 2017).

In 2018, a total of 1.95 million tons of air cargo was landed at airports in Washington state, up 3.6% from 1.88 million tons in 2017.

In 2017, Seattle-Tacoma International Airport had 22.6 million passenger enplanements, up 3.2% from 21.9 million in 2016. The second largest number of enplanements occurred at Spokane International Airport, which had 1.7 million enplanements (up 6.3% from 1.6 million in 2016).

In 2017, a total of 1.88 million tons of air cargo was landed at airports in Washington state, up 12.0% from 1.68 million tons in 2016.

In 2016, Seattle-Tacoma International Airport had 21.9 million passenger enplanements, up 9.0% from 20.1 million in 2016. The second largest number of enplanements occurred at Spokane International Airport, which had 1.6 million enplanements (up 6.7% from 1.5 million in 2015).

In 2016, a total of 1.68 million tons of air cargo was landed at airports in Washington state, up 7.6% from 1.56 million tons in 2015.

In 2015, Seattle-Tacoma International Airport had 20.1 million passenger enplanements. Spokane International Airport had 1.5 million enplanements, the second-largest number of enplanements in the state.

In 2015, a total of 1.56 million tons of air cargo was landed at airports in Washington state.

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