The Air Line Pilots Association, International (ALPA) is the largest pilot union in the world, representing more than 77,000 pilots from 43 US and Canadian airlines. ALPA was founded on 27 July 1931 and is a member of the AFL-CIO and the Canadian Labour Congress. Known internationally as US-ALPA, ALPA is also a member of the IFALPA.

Endeavor Air is an American regional airline headquartered at the Minneapolis–Saint Paul International Airport in Minneapolis, Minnesota, United States. The airline is a wholly owned subsidiary of Delta Air Lines and staffs, operates and maintains aircraft used on Delta Connection flights that are scheduled, marketed and sold by Delta Air Lines.