SkyWest, Inc. (SKYW)
SkyWest, Inc., through its subsidiaries, engages in the operation of a regional airline in the United States. It operates through two segment, SkyWest Airlines and SWC; and SkyWest Leasing.
Delta Air Lines, Inc. (DAL)
Delta Air Lines, Inc. provides scheduled air transportation for passengers and cargo in the United States and internationally.
United Airlines Holdings, Inc. (UAL)
United Airlines Holdings, Inc., through its subsidiaries, provides air transportation services in North America, Asia, Europe, Africa, the Pacific, the Middle East, and Latin America.