Allegiant Travel Company operates as a leisure travel company in the United States. The company provides scheduled passenger services from small cities to leisure destinations. It focuses on transporting travelers in small cities to leisure destinations, such as Las Vegas, Nevada; Phoenix, Arizona; Los Angeles, California; and Orlando, Tampa/St. Petersburg, and Ft. Lauderdale, Florida. The company sells air travel on a stand-alone basis, as well as bundled with hotel rooms, rental cars, and other travel related services. It also provides charter air services under long-term contracts, as well as on a seasonal and ad-hoc basis. The company markets its services through advertising and promotions in newspapers, magazines, television, and radio, as well as through targeted public relations and promotional activities. As of February 1, 2010, it operated a fleet of 46 aircraft consisting of 28 MD-83 aircraft, 4 MD-87 aircraft, 8 MD-82 aircraft, and 6 MD-88 aircraft, as well as offered scheduled service from 58 small cities on 136 routes. The company was founded in 1997 and is headquartered in Las Vegas, Nevada.

Pinnacle Airlines Corp., through its subsidiaries, operates as an independent regional airline in the United States. It operates an all-regional jet fleet, and provides regional airline capacity to Delta at its hub airports in Atlanta, Detroit, Memphis, and Minneapolis/St. Paul. The company also operates an all-turboprop fleet under a regional airline capacity purchase agreement with Continental Airlines, Inc. and US Airways Group, Inc. primarily in the northeastern United States and in Texas. As of December 31, 2009, it offered scheduled passenger service with approximately 1,100 total daily departures to 198 destinations, as well as operated an aircraft fleet comprising 142 regional jet aircrafts and 48 turboprop aircrafts. The company was founded in 1985 and is headquartered in Memphis, Tennessee.