United Airlines MCI Terminal United Airlines is based out of Kansas City International Airport's Terminal C (MCI). Serving both domestic and international flights for United, Terminal C is one of MCI's primary terminals. The terminal provides a range of amenities for travelers, such as self-service kiosks, security checkpoints, retail establishments, food options, and check-in counters. United Airlines MCI Terminal offers conveniences and cozy seating to guarantee a hassle-free journey.
