Airline credit cards offer you the ability to earn miles on everyday spend as well as receive perks (in my cases) when flying airlines. These cards are best for those who fly or plan on flying with a particular airline who can benefit from the perks offered on the card.
This page lists all U.S. airline credit cards this site covers. You can click on a card to learn more about it including the earning structure, perks, standard sign up bonus, and annual fee. You'll also be able to calculate how many airline miles you can earn based on spend as well as calculate the cash value of the card based on spend, the cash value of benefits, and annual fees. You'll be able to compare the results side by side any credit cards featured on the site.