Air Canada is the flag carrier and largest airline of Canada. The airline, founded in 1936, provides scheduled and charter air transport for passengers and cargo to 178 destinations worldwide. It is the world's tenth-largest passenger airline by number of destinations, and the airline is a founding member of Star Alliance, an alliance of 28 member airlines formed in 1997. Air Canada's corporate headquarters are located in Montreal, Quebec, while its largest hub is Toronto Pearson International Airport, located in Mississauga, Ontario.