Delta Air Lines Terminals US Airports are built to facilitate seamless connections, departures, and arrivals. With dependable services for both domestic and international passengers, Delta operates out of contemporary terminals in several of the major airports in the nation.Self-service kiosks, staffed counters, and mobile check-in are just a few of the options available to Delta customers. These choices enable passengers to swiftly finish pre-flight procedures and shorten wait times. Even at big hub airports, finding your way around is made simple by the helpful staff and clear signage.