Learn everything there is to know about Del Rio International Airport's (DRT) United Airlines DRT Terminal Find more about the amenities at the terminal, how to check in, security details, food options, and more. Learn how to use airport services, parking, and baggage claim to ensure a hassle-free travel experience. Keep yourself informed and enjoy a hassle-free United Airlines trip with DRT. Discover all the important details on United Airlines operations at Del Rio International Airport, whether you're coming or leaving.