The Air Line Pilots Association, International (ALPA) is the largest airline pilot union globally, representing over 54,000 pilots across 31 U.S. and Canadian airlines.
Established in 1931 and chartered by the AFL-CIO and the Canadian Labour Congress, ALPA, also known as US-ALPA, is a prominent member of the International Federation of Air Line Pilot Associations.
Generated from their website's infomation