WestJet Airlines Lt. (TSX: WJA) is a Canadian low-cost carrier based in Calgary, Alberta, that flies to most major cities in Canada and 13 cities in the United States. WestJet is the second-largest Canadian carrier behind Air Canada (third-largest including Air Canada Jazz). WestJet is a rarity in the airline industry due to the fact that it is non-unionized. Profit-sharing is credited for this fact. WestJet plans to be one of the world's top 5 most profitable international airlines, by 2016. In 2006, WestJet was rated the second-best low-cost airline in North America.