Air Canada will add service between four Canadian hubs and 12 U.S. cities in May and June,

including daily year-round service between Toronto and Salt Lake City, Montreal and Denver and Vancouver and Chicago and daily seasonal service between Toronto and Portland, Ore. Air Canada Express will add twice-daily service between Toronto and Washington Dulles, Montreal and Philadelphia and Vancouver and San Jose; daily service between Montreal and Houston and Calgary and San Francisco; and twice-weekly service between Toronto and Jacksonville, Fla. Air Canada’s low-cost carrier, Rouge, will add service between Calgary and Phoenix three times per week and daily seasonal service between Vancouver and San Diego.