In New York, American Express (NYSE: AXP) and Delta Air Lines (NYSE: DAL) have announced updates for eligible Delta SkyMiles Card Members, including new travel benefits and refreshed card designs. Basic Delta SkyMiles Gold, Platinum, and Reserve Consumer and Business Card Members will now receive a complimentary second checked bag on domestic Delta-operated flights. These enhancements come with no increase to the annual fee and also include welcome offers for new Card Members. This collaboration aims to add more value for customers of American Express and Delta Air Lines.