I was stuck in one of the most expensive cities in the world, but the Chase Sapphire Preferred® Card's trip delay insurance ...

This card earns double miles on American Airlines purchases and at gas stations and restaurants, and it makes flying less of a hassle with a free checked bag benefit and other perks.

The card's rewards structure isn't the easiest to remember. But its useful bonus categories, flexible rewards and outstanding welcome offer make it a top contender among cash-back cards.