Hi! If you're traveling via Southwest Airlines DEN Terminal you're in for a seamless experience. Southwest operates from Concourse C of Denver International Airport (DEN) and has easy connections along with various amenities. The terminal is expansive with wonderful eating places and great waiting lounges. Security checkpoints tend to get crowded, but they get done quickly. In addition, two free checked bags and friendly service from Southwest add to the goodness. Overall, Southwest Airlines is well-structured, traveler-conscious, and a good option for your trip. Safe travels!