Air Canada is Canada's largest airline, generally serving nearly 50 million passengers each year together with its regional partners. Air Canada is a sixth freedom airline, similar to Gulf carriers, which flies many U.S. nationals on long-haul trips with a layover in Canada. In 2019, the company generated CAD 19 billion in total revenue.Air Canada provides scheduled passenger services in the Canadian market, the Canada- US transborder market as well as the international markets to and from Canada for leisure travelling.