| name | Hub | image | date Ceased operations | date Commenced operations | IATA Code | ICAO Code | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | Parent | number of aircrafts | number of destinations | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Horizon Air | Portland International Airport |  | 01/09/1981 | QX | QXE | SeaTac, Washington | Washington | United States | Americas | United States | Americas | Alaska Air Group | 55 | 42 | Website |