Compass Airlines, LLC, was a regional airline in the United States that operated from 2006 to 2020, when it shut down due to the COVID-19 pandemic. It was headquartered in Delta Air Lines Building C at Minneapolis–Saint Paul International Airport in Fort Snelling, Hennepin County, Minnesota; prior to December 16, 2009, it was headquartered in unincorporated Fairfax County, Virginia, United States, east of the Chantilly CDP. The airline launched inaugural service with a single Bombardier CRJ-200 aircraft under the Northwest Airlink brand between Minneapolis/St. Paul and Washington, D.C., on May 2, 2007. On August 21, 2007, it began flying two Embraer E175 76-passenger aircraft, and expanded to 36 aircraft by December 2008.

Independence Air was a low-cost airline, owned by FLYi, Inc., headquartered in the Loudoun Gateway Corporate Center in Dulles, Virginia, United States that operated from 1989 until 2006. Its route network focused on the east coast of the United States, but it also extended to the west coast. The route network was based at Washington Dulles International Airport.