Delta is a member of the SkyTeam airline alliance, which comprises over a dozen airlines worldwide. You can earn and redeem miles when you travel with a SkyTeam airline.
Incorporated in 1967, Delta Air Lines is a major Americanairline group headquartered in Atlanta, Georgia. The group, previously known as Delaware Air Lines Inc, wholly owns a number of US regional airlines including Delta Private Jets and Endeavor Air.
United Airlines, American international airline serving North America, Asia, Latin America, the Caribbean, and Europe. Headquarters for the air carrier's parent company, United Continental Holdings, are in Chicago.
Out of the Big Four airlines in the United States – American Airlines, Delta Air Lines, Southwest Airlines, and United Airlines – only a single company was profitable in Q1 2023.
There are three major airline alliances: SkyTeam, Star Alliance and Oneworld. Each has different partner airlines. You may have benefitted from an alliance without even realizing it.
“This is an exciting time for customers of both Delta and Emirates as we launch our trans-Atlantic partnership. Our expanded partnership means a host of new destinations and travel options across Asia and North America, with seamless connectivity, world-class reliability and the industry's best customer service.
The Bottom LineOverall, Delta is consistently rated the more reliable airline. And when it comes to first-class flying, Delta's amenities possess a posh factor that United doesn't quite match, though it comes close.