Alaska Air Group is an airline holding company based in SeaTac, Washington, United States.
The group owns two certificated airlines, Alaska Airlines, a mainline carrier, and Horizon Air, a regional carrier. Alaska Airlines in turn wholly owns an aircraft ground handling company, McGee Air Services.
Alaska Air Group was formed in 1985 as a holding company for Alaska Airlines, and a year later it acquired Horizon Air and Jet America Airlines. Jet America Airlines was merged into Alaska Airlines in 1987.
Alaska Air Group operates a mix of Airbus, Boeing, Bombardier, and Embraer aircraft through its subsidiaries Alaska Airlines and Horizon Air. As of October 2017, Alaska Airlines' fleet consisted of 248 jet aircraft, and Horizon Air's fleet consisted of 41 turboprop and 16 jet aircraft, with the combined fleet under Alaska Air Group's management numbering 298 aircraft.
On May 3, 2018 Alaska Airlines unveiled plans to construct a 128,000-square-foot building near Sea-Tac Airport to provide office space for its growing workforce. The new building will be across the street from Alaska's Corporate Headquarters and adjacent to its Flight Training Center. Construction was expected to be completed by early 2020.
According to wikipedia.org