Delta just added a major new perk to its Amex cards—and travelers are going to love it

Delta SkyMiles American Express cardholders are getting a second free checked bag, new rideshare credits, and massive welcome bonuses ahead of summer travel.

[Photo: American Express and Delta]

American Express and Delta Air Lines are adding new perks to their cobranded credit cards just ahead of the busy summer travel season, including a benefit frequent Delta flyers have long wanted: a second free checked........

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