Sun Country Airlines YYC Terminal flies out of the Domestic Terminal of Calgary International Airport (YYC), mostly using Concourse D. Boarding gates, security screening, and check-in counters are all conveniently located near this terminal. A number of facilities are available to passengers, such as retail establishments, free Wi-Fi, and restaurants like Tim Hortons and Chili’s. Sun Country specializes on providing reasonably priced travel with easy procedures and amiable staff. For the most recent gate information, travelers should check their boarding card and arrive at least two hours prior to departure.