April Sea-Tac Passenger traffic increased 13% from last year.
Per:
https://www.portseattle.org/About/Publications/Statistics/Airport-Statistics/Pages/default.aspx
Click on Current and Historic Traffic and Operations Statistics and download the Excel spreadsheet for April 2015.
From April ’14 to April ’15:
April / 2015 April / 2014 Amt Change %Change
PASSENGERS
Domestic Passengers – IN 1,452,243 / 1,295,271 / 156,972 / 12.12%
Domestic Passengers – OUT 1,442,364 / 1,269,692 / 172,672 /13.60%
Subtotal – Domestic Passengers 2,894,607 / 2,564,963 / 329,644 / 12.85%
International Passengers – IN 173,782 / 148,385 / 25,397 /17.12%
International Passengers – OUT 159,684 / 139,425 / 20,259 / 14.53%
Subtotal – International Passengers 333,466 / 287,810 / 45,656 / 15.86%
Total Passengers – IN 1,626,025 1,443,656 182,369 12.63%
Total Passengers – OUT 1,602,048 1,409,117 192,931 13.69%
PASSENGER GRAND TOTAL 3,228,073 2,852,773 375,300 13.16%
Note SEA's international is only 10% of their total. Lots of room to grow.