United Airlines CIU Terminal – Chippewa County International Airport
United Airlines CKB Terminal – North Central West Virginia Airport
United Airlines CHO Terminal – Charlottesville-Albemarle Airport
United Airlines CIC Terminal – Chico Municipal Airport
United Airlines CCS Terminal – Simón Bolívar International Airport
United Airlines CDG Terminal – Charles de Gaulle Airport
United Airlines CAK Terminal – Akron-Canton Airport
United Airlines CMX Terminal – Houghton County Memorial Airport
United Airlines CHA Terminal – Chattanooga Metropolitan Airport
United Airlines CHS Terminal – Charleston International Airport
United Airlines COD Terminal – Yellowstone Regional Airport
United Airlines COS Terminal – Colorado Springs Airport
United Airlines CPR Terminal – Casper-Natrona County International Airport
United Airlines CPH Terminal – Copenhagen Airport
United Airlines DDC Terminal – Dodge City Regional Airport
United Airlines CUN Terminal – Cancún International Airport
United Airlines DCA Terminal – Ronald Reagan Washington National Airport
United Airlines CZM Terminal – Cozumel International Airport
United Airlines DAY Terminal – Dayton International Airport
United Airlines CVG Terminal – Cincinnati/Northern Kentucky International Airport
United Airlines CVM Terminal – General Pedro J. Méndez International Airport
United Airlines CXY Terminal – Capital City Airport
United Airlines CTG Terminal – Rafael Núñez International Airport
United Airlines DEL Terminal – Indira Gandhi International Airport
United Airlines DOH Terminal – Hamad International Airport
United Airlines DRT Terminal – Del Rio International Airport
United Airlines DSM Terminal – Des Moines International Airport
United Airlines DME Terminal – Domodedovo International Airport
United Airlines DRO Terminal – Durango-La Plata County Airport
United Airlines DLA Terminal – Douala International Airport
United Airlines DLH Terminal – Duluth International Airport
United Airlines DKR Terminal – Blaise Diagne International Airport