Who flies the passengers out of SeaTac airport ?
Carrier Passengers Share May 2009
Alaska 10,543
Horizon Air 3,458
Southwest 2,724
United 2,132
Northwest 1,726
Other 7,573
Carrier Passengers Share May 2007
Alaska 10,580
Horizon Air 2,809
United 2,667
Southwest 2,653
Northwest 1,709
Other 6,928
Bureau of Transportation Statistics