Notes
Presentation by Kaplan Kirsch for the Commercial Aviation Work Group (CAWG), dated September 3, 2026, examining whether Puget Sound commercial airports could operate as a unified airport system. Covers airport capacity versus demand, Washington State’s 17 busiest commercial airports by 2025 enplaned passengers (epax), including Sea-Tac Airport (SEA, 26.317M), Spokane International (GEG, 2.114M), Tri-Cities (PSC), Seattle Paine Field (PAE), Bellingham International (BLI), Boeing Field/King County (BFI), and smaller airports including McChord Field (TCM), Kenmore Air Harbor (KEH), Orcas Island (ESD), Friday Harbor (FRD/FBS), Roche Harbor (RCE), and Renton Municipal (RNT). Data sourced from BTS T100, SEA Statistics, and Steer.
