SkyMiles is the loyalty program of Delta Air Lines, one of the major airlines in the United States. Delta, headquartered in Atlanta, Georgia, operates an extensive domestic and international network. SkyMiles allows passengers to earn and redeem miles for flights, upgrades, and various travel-related benefits. Members of the SkyMiles program can accrue miles not only through Delta flights but also through partner airlines, credit card spending, and other affiliated services. The program is tiered, with different elite statuses such as Silver, Gold, Platinum, and Diamond Medallion levels, each offering specific perks like priority boarding, lounge access, and bonus mileage earning. Delta Air Lines places a strong emphasis on customer loyalty, and the SkyMiles program serves as a key component in fostering and rewarding long-term relationships with its passengers.