Canadian low-cost carrier WestJet Airlines (WS) is the country's second largest airline. Along with its regional subsidiary WestJet Encore, the airline flies to about 90 destinations. These include destinations in Canada, the United States, Mexico, Central America, the Caribbean and Europe. The airline also has codeshare arrangements with more than a dozen other carriers. WestJet operates airplanes with all Economy Class seating. Passengers can opt for certain fares (known as Plus) that offer preferred seating in the front of the plane with extra legroom. The airline has hubs at Calgary International Airport (YYC) and Toronto Pearson International Airport (YYZ).