Question: SkyWest Airlines is a North American airline owned by SkyWest, Inc. and headquartered in which city in Utah, U.S., it flies as SkyWest Airlines in a partnership with Alaska Airlines, an American airline based in the Seattle metropolitan area of the state of Washington?

full_context: Document 1: US Airways Express: US Airways Express was the brand name for the regional affiliate of US Airways, under which a number of individually owned commuter air carriers and regional airlines operate short and medium haul routes. This code sharing service was previously operated as USAir Express. Mainline carriers often outsource to regional airlines to operate services in order to increase frequency, serve routes that would not sustain larger aircraft, or for other competitive reasons. US Airways Express operations were conducted from smaller markets in the United States, Canada, and the Bahamas primarily centered on US Airways' major hubs and focus cities. Upon the completion of US Airways' merger process with American Airlines, US Airways Express was rebranded as American Eagle on October 17, 2015.
Document 2: American Airlines Group: American Airlines Group, Inc. is an American publicly traded airline holding company headquartered in Fort Worth, Texas. It was formed December 9, 2013, in the merger of AMR Corporation, the parent company of American Airlines, and US Airways Group, the parent company of US Airways. The airline groups together form the largest airline in the world, with more than 6,700 daily flights to 336 locations in 56 countries worldwide, about $40 billion in operating revenue, over 100,000 employees, and plans to take delivery of 607 new aircraft, including 517 narrowbody aircraft and 90 widebody international aircraft. The integration of American Airlines and US Airways was completed when the Federal Aviation Administration granted a single operating certificate for both carriers on April 8, 2015.
Document 3: Virgin Australia Regional Airlines: Virgin Australia Regional Airlines (formerly Skywest) is an Australian regional airline based in Perth; servicing key towns in the state of Western Australia as well as interstate destinations Darwin, Melbourne, Brisbane, Canberra and Sydney. It also serves regional destinations in New South Wales and Queensland and operates charter flights to Bali. In April 2013 Skywest was purchased by Virgin Australia Holdings as its new regional offshoot, and renamed Virgin Australia Regional Airlines.
Document 4: American Eagle (airline brand): American Eagle is an American brand name for the regional branch of American Airlines, under which ten individual regional airlines operate short- and medium-haul feeder flights. Three of these airlines, Envoy Air (formerly American Eagle Airlines), Piedmont Airlines and PSA Airlines, are wholly owned subsidiaries of American Airlines Group. Just like the regional brands of the other two major airlines (Delta Connection and United Express), American Airlines' regional brand accounts for more than 60% of American Airlines flights.
Document 5: St. George Municipal Airport: St. George Municipal Airport (IATA: SGU, ICAO: KSGU, FAA LID: SGU) was a public airport in St. George, serving southern Utah, until 13 January 2011. It was used for general aviation and by St. George-based SkyWest Airlines on behalf of Delta Air Lines and United Airlines. SkyWest has served St. George since its founding in 1972. SkyWest, which is now one of the largest regional airlines in the world, continues to be based in St. George.
Document 6: ExpressJet: ExpressJet Airlines, Inc. is an American airline based in College Park, Georgia, USA. It is a wholly owned subsidiary of SkyWest, Inc., parent company of the air carrier SkyWest Airlines. Before the acquisition from SkyWest it was an independent airline, and previously, a subsidiary of Continental Airlines. ExpressJet Airlines, Inc., originally Continental Express, Inc., was a Delaware corporation.
Document 7: SkyWest, Inc.: SkyWest, Inc. (NASDAQ: SKYW ) is the holding company for two scheduled passenger airline operations, SkyWest Airlines and ExpressJet, and an aircraft leasing company and is headquartered in St. George, Utah, USA.
Document 8: Horizon Air: Horizon Air Industries, Inc., operating as Horizon Air, is a regional airline based in SeaTac, Washington, United States. Horizon Air and its sister carrier Alaska Airlines are subsidiaries of Alaska Air Group and all Horizon-operated scheduled flights are marketed and sold by Alaska Airlines. Planes operated by Horizon are now co-branded as "Alaska " in recognition of the Horizon brand and to differentiate aircraft from those operated by Alaska's other regional airline partner, SkyWest Airlines.
Document 9: SkyWest Airlines: SkyWest Airlines is a North American airline owned by SkyWest, Inc. and headquartered in St. George, Utah, U.S.. According to the Airlines for America definitions, SkyWest is a North American major airline. SkyWest however, operates on a regional airline level and is a member of the Regional Airline Association. SkyWest Airlines flies to 238 cities, in 45 states; Washington, D.C., six Canadian provinces and five cities in Mexico. The airline serves as a feeder airline, operating under contract with various major carriers. It flies as SkyWest Airlines in a partnership with Alaska Airlines, as United Express on behalf of United Airlines, as American Eagle on behalf of American Airlines, and as Delta Connection on behalf of Delta Air Lines. SkyWest also provides ground handling services for airports across the United States.
Document 10: Alaska Airlines: Alaska Airlines is an American airline based in the Seattle metropolitan area of the state of Washington. The company was founded in 1932 as McGee Airways, offering flights from Anchorage, Alaska. Alaska Airlines has flights to more than one hundred destinations in the contiguous United States, Alaska, Hawaii, Canada, Costa Rica, Cuba and Mexico. The airline is a major air carrier and, along with its sister airlines Horizon Air and Virgin America, is part of the Alaska Air Group. The airline has been ranked by J. D. Power and Associates as having the highest customer satisfaction of the traditional airlines for ten consecutive years.
Document 11: Alaska Airlines destinations: Alaska Airlines serves 112 destinations in the United States, Canada, Cuba, Mexico and Costa Rica, including destinations shared with sister carriers Horizon Air (listed separately at Horizon Air destinations) and SkyWest Airlines.
Document 12: PenAir: Peninsula Airways, operating as PenAir, is a U.S. based regional airline headquartered in Anchorage, Alaska. It is Alaska's second largest commuter airline operating scheduled passenger and cargo service, as well as charter and medevac services throughout the state. It also operates scheduled passenger service in several regions of the continental U.S. Its main base is Ted Stevens Anchorage International Airport, with other hubs located at Portland International Airport in Oregon, Boston Logan International Airport in Massachusetts and Denver International Airport in Colorado. PenAir currently has a code sharing agreement in place with Alaska Airlines with its flights operated in the state of Alaska as well as all of its flights in the lower 48 states appearing in the Alaska Airlines system timetable.
Document 13: America West Airlines: America West Airlines was a U.S. airline headquartered in Tempe, Arizona. Their main hub was at Sky Harbor Airport in Phoenix, Arizona, with a secondary hub at Las Vegas McCarran International Airport in Las Vegas, Nevada. The airline became part of the US Airways Group after it acquired the larger airline in 2005 and adopted the US Airways brand name. America West was the second largest low-cost carrier in the U.S. after Southwest Airlines and served approximately 100 destinations in the US, Canada, and Mexico. Service to Europe was provided through codeshare partners. In March 2005, the airline operated a fleet of 132 aircraft, with a single maintenance base at Sky Harbor Airport in Phoenix. Regional jet and/or turboprop feeder flights were operated on a code sharing basis by Mesa Airlines and Chautauqua Airlines as America West Express.
Document 14: Envoy Air: Envoy Air Inc. (formerly American Eagle Airlines) is an air carrier headquartered in Irving, Texas, in the Dallas-Fort Worth metroplex. It is a wholly owned subsidiary of American Airlines Group that, along with several carriers outside the group, feeds the American Airlines route network under the American Eagle brand. With over 1,800 flights a day, serving 159 cities across the United States, Canada, Mexico and the Caribbean, Envoy is considered to be the world's largest regional airline system. Envoy is an affiliate member of the Oneworld airline alliance.
Document 15: American Airlines: American Airlines, Inc. (AA) is an American airline headquartered in Fort Worth, Texas, within the Dallas-Fort Worth metroplex. It is the world's largest airline when measured by fleet size, revenue, scheduled passenger-kilometers flown, and number of destinations served. American together with its regional partners operates an extensive international and domestic network with an average of nearly 6,700 flights per day to nearly 350 destinations in more than 50 countries.
ground_truth: St. George