Delta SkyMiles members can earn miles not just through flights, but also by engaging with a wide range of non-airline partners. These include hotels, car rental services, dining programs, and even retail and financial partners. Whether you're booking a stay, renting a car, or shopping online, there are plenty of ways to grow your SkyMiles balance. Some credit card purchases and everyday expenses also qualify for mile accumulation. It's a great way to make your spending work for you even when you're not flying. Always check for current offers to maximize earning potential. You can explore the full Delta Skymiles non-airline partners list on Airlines-Updates.