what is the best credit card for airline rewards?
['Chase Sapphire Preferred® Card. ... ', 'Discover it® Miles. ... ', 'Capital One® Venture® Rewards Credit Card. ... ', 'Delta SkyMiles® Blue American Express Card. ... ', 'Delta SkyMiles® Gold American Express Card. ... ', 'United℠ Explorer Card. ... ', 'American Airlines AAdvantage MileUp℠ Card. ... ', 'Southwest Rapid Rewards® Plus Credit Card.']