also Shuttle by United, a subsidiary of United that operated from 1994 to 2001 along the West Coast of the United States List of defunct airlines of the United States References Further reading Tuttle, Brad. "Why an Airline That Travelers Love Is Failing." TIME. October 25, 2012. External links Official website (The link has been inactivated) Archive of LetVAFly.com Defunct airlines of the United States Airlines established in 2004 Airlines disestablished in 2018 2014 initial public offerings 2016 mergers and acquisitions 2018 mergers and acquisitions Alaska Air Group Defunct companies based in the San Francisco Bay Area Companies based in Burlingame, California Companies formerly listed on the Nasdaq Defunct low-cost airlines America 2004 establishments in the United States 2018 disestablishments in California