Delta Air Lines, Inc. is a major airline in the United States headquartered in Atlanta, Georgia, operating nine hubs, with Hartsfield–Jackson Atlanta International Airport being its largest in terms of total passengers and number of departures. With its regional subsidiaries and contractors operating under the brand name Delta Connection, Delta has over 5,400 flights daily and serves 325 destinations in 52 countries on six continents. Delta is a founding member of the SkyTeam airline alliance which helps to extend its global network. It is the second-oldest operating commercial airline in the U.S., having begun passenger operations after United. Delta ranks first in revenue and brand value among the world's largest airlines, and second by number of passengers carried, passenger miles flown, and fleet size. Listed 70th on the Fortune 500 list, Delta has topped The Wall Street Journal's annual rankings of airlines in 2022, 2023, and 2024 and earned first place in the 2024 Readers’ Choice Awards for Best Airlines in the U.S. by Condé Nast Traveler. Wikipedia