**[Alaska Airlines][1]** (IATA code: AS) is a major U.S. airline. It owns [tag:virgin-america] and Horizon Airlines, which operate under their own brands. As its name suggests, Alaska began by providing service within [tag:alaska] and connecting it with the contiguous [tag:usa], but it has since expanded considerably, serving destinations across the U.S. * Hub airports: [tag:sea] (Seattle-Tacoma), [tag:anc] (Ted Stevens Anchorage), [tag:lax] (Los Angeles International), [tag:pdx] (Portland International), [tag:sfo] (San Francisco International) * Focus cities: [tag:san] (San Diego International), [tag:sjc] (San Jose Mineta) * [tag:airline-alliances]: none, but bilateral partnerships with [tag:air-france], [tag:american-airlines], [tag:british-airways], [tag:klm], ande [tag:latam] among others. * Loyalty program: Mileage Plan [1]: https://www.alaskaair.com/