Alaska Airlines is a major American airline it's headquartered in SeaTac, Washington, within the Seattle metropolitan area. It is the fifth largest airline in the United States. Alaska, together with its regional partners Horizon Air and SkyWest Airlines, operate a large domestic route network. Alaska flight focused on connecting from the Pacific Northwest and Alaska to over one hundred destinations in United States, Hawaii, Canada, Costa Rica and Mexico.
The airline operates out of five hubs, with its primary hub being at Seattle–Tacoma International Airport. Alaska Airlines is currently not a member of any of the three major airline alliances, but it plans to join Oneworld by the end of March 2021. As of 2020, the airline employs over 16,000 people.