An Airline Loyalty Program is a rewards system offered by airlines to encourage repeat business from customers. Members earn points or miles for each flight they take, which can be redeemed for free flights, upgrades, or other benefits. These programs often have different tiers, allowing frequent travelers to enjoy additional perks like priority boarding and access to exclusive lounges. To join an Airline Loyalty Program, travelers typically sign up for free and start accumulating points with their flights. Many programs also partner with hotels, car rental services, and credit card companies, enabling members to earn points through various purchases, enhancing their travel experience and rewards.