Delta Air Lines (IATA: DL) is a major airline of the United States, a member of the SkyTeam alliance, and one of the largest airlines in the world. It operates eleven hubs, at ATL, CVG, DTW, MSP, LGA, JFK, SEA, and SLC in the United States; CDG in France; AMS in the Netherlands; and NRT in Japan.
- Domestic hub airports: atl (Hartsfield–Jackson Atlanta International Airport, Georgia), cvg (Cincinnati/Northern Kentucky International Airport), dtw (Detroit Metropolitan Wayne County Airport, Michigan), jfk (John F. Kennedy International Airport, New York City), msp (Minneapolis–Saint Paul International Airport, Minnesota), lga (New York-LaGuardia Airport), sea (Seattle–Tacoma International Airport, Washington), and slc (Salt Lake City International Airport, Utah)
- International hub airports: ams (Amsterdam Airport Schiphol, the Netherlands), cdg (Paris–Charles de Gaulle Airport, France), and nrt (Tokyo-Narita International Airport, Japan)
- Alliance: skyteam
- Loyalty program: SkyMiles
- Lounge/club: Sky Club