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?

Context paragraphs:
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.

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.

Business Express Airlines: Business Express Airlines (IATA: HQ) , often referred to as Business Express or BizEX, was an American regional airline founded as Atlantic Air in 1982.  In an effort to appeal to its predominantly business commuter clientele, the airline assumed the Business Express name in 1985.  In 1986 Pilgrim Airlines (Groton/New London), which itself had acquired NewAir (New Haven) about a year prior, was acquired by the airline.  This opened the valuable New York and Washington, D.C. markets.  Shortly thereafter, Business Express became one of Delta Air Lines's first Delta Connection carriers, along with Atlantic Southeast Airlines, Comair and SkyWest Airlines.

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.

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.

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.

Atlantic Southeast Airlines: Atlantic Southeast Airlines (ASA) was an American airline based in the A-Tech Center in College Park, Georgia, flying to 144 destinations as a Delta Connection carrier and, as of February 2010, commenced service as a United Express carrier.  It was a wholly owned subsidiary of SkyWest, Inc. ASA operated nearly 900 flights each day.  Its main hub was at Hartsfield-Jackson Atlanta International Airport (ATL).  ASA changed its name to ExpressJet in 2011.

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.

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.

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.

Supporting paragraphs: SkyWest Airlines Alaska Airlines
Answer: St. George