Credit cards offering air miles have skyrocketed in popularity in recent years, promising cardholders the allure of cheaper flights, travel upgrades, and exclusive perks. But what exactly are air miles? Essentially, air miles are reward points that are related to traveling via flights; these points are gained using specific credit cards or airline loyalty schemes. Later, these miles can be converted into flights, hotel reservations, or other expenses related to traveling. Still, with more people getting into the chase for the rewards, questions arise on whether air miles are worth the value they seem to hold or if there's more to the fine print.