The Port of Seattle operates Seattle-Tacoma International Airport (Sea-Tac), ranked as the 13th busiest U.S. airport, serving over 42.3 million passengers and handling more than 332,636 metric tons of air cargo in 2015. For the sixth straight year, Sea-Tac served a record number of passengers in 2015, the fastest growth among the top 20 U.S. airports.
The Port is working on a Sustainabl...e Airport Master Plan to look ahead five, 10 and 20 years in the future to manage growth. The capital budget for the airport includes $1.9 billion in projects over the next five years. This includes the renovation and expansion of the north satellite, a new international arrivals facility, a new high-efficiency baggage system, and the reconstruction of the center runway.