Air Transat is a Canadian airline based in Montreal, Quebec, operating scheduled and charter flights, serving 60 destinations in 25 countries. The airline is owned and operated by Transat A.T. Inc. During the summer season its main destinations are Europe and in the winter season the Caribbean, Mexico, USA and Central America, though the airline operates many year-round flights to Europe from their Toronto and Montreal bases. Its main Canadian gateways are Montréal-Pierre Elliott Trudeau International Airport, Toronto Pearson International Airport and Vancouver International Airport. The airline also has operations at Calgary International Airport, Québec City Jean Lesage International Airport and others.