MileagePlus is the frequent flyer program of United Airlines, designed to reward loyal customers with a range of benefits and exclusive privileges. Members earn miles by flying with United and its Star Alliance partners, as well as through everyday activities like shopping, dining, and using co-branded credit cards. Accumulated miles can be redeemed for free flights, seat upgrades, hotel stays, car rentals, and various merchandise. The program features multiple elite status tiers—Premier Silver, Gold, Platinum, and 1K—each offering escalating benefits such as priority boarding, baggage handling, access to United Club lounges, and bonus award miles. MileagePlus also provides members with opportunities to gain status through spending rather than just flying, making it more accessible to a broader audience. With its extensive network of airline and non-airline partners, MileagePlus enhances the travel experience, offering flexibility and valuable rewards that cater to both casual travelers and frequent flyers.