Delta Air Lines IATA: DL / ICAO: DAL Delta Air Lines stands as a symbol of American excellence in aviation—setting the global standard for safety, innovation, reliability, and world-class customer service. From our global headquarters and primary hub in Atlanta (ATL), alongside our extensive hub network in Detroit (DTW), Minneapolis–Saint Paul (MSP), Salt Lake City (SLC), New York–JFK (JFK), New York–LaGuardia (LGA), Boston (BOS), Los Angeles (LAX), and Seattle (SEA), we proudly connect millions of customers across the United States and around the world, delivering seamless travel experiences backed by nearly a century of operational excellence.