At Denver International Airport (DEN), Concourse C is the base of operations for. Travelers can enjoy a range of services Southwest Airlines DEN Terminal  in the concourse, including restaurants like McDonald's and Wolfgang Puck as well as coffee shops like Caribou Coffee. There are multiple self-service check-in kiosks offered by Southwest, and free Wi-Fi is available to customers all around the terminal. Transfers are seamless because to DEN's effective train system, which links Concourse C to the main terminal and other concourses. Although the concourse security process is usually speedy, for a smooth experience, it is advised to come early during busy travel times.