Amex and Delta Unveil Upgraded SkyMiles Card With Higher Fees

American Express and Delta have introduced a revamped version of their co-branded SkyMiles credit cards.The new cards, announced Thursday (Jan. 31), offer a series of benefits to both frequent and occasional flyers, and comes as a majority of consumers are embracing card-linked offers for travel-related purchases.According to an American Express news release, the upgraded cards now let customers use companion certificates to travel outside of the continental U.S. for the first time, with the program open to ...