Iata	Icao	Logo	Name	Cabins	First flight	Flights	Flown
1.	QX	QXE	Horizon Air	Horizon Air	Y	1991-01-077 Jan 1991	103	13,287
2.	DL	DAL	Delta Air Lines	Delta Air Lines	Y	1991-01-011 Jan 1991	12	11,673
3.	AS	ASA	Alaska Airlines	Alaska Airlines	Y	1991-10-1616 Oct 1991	4	3,072
4.	NW	NWA	Northwest Airlines	Northwest Airlines	Y	1991-04-2929 Apr 1991	1	129