{"success":true,"comparison":"blue-cash-preferred-card-from-american-express-vs-delta-skymiles-platinum-american-express-card","summary":{"updatedAt":"2026-06-04T20:22:11.482Z","pageUrl":"https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-delta-skymiles-platinum-american-express-card","jsonUrl":"https://cardcurator.ai/api/public/compare/blue-cash-preferred-card-from-american-express-vs-delta-skymiles-platinum-american-express-card/summary","methodologyUrl":"https://cardcurator.ai/how-we-rank-cards","dataSourcesUrl":"https://cardcurator.ai/data-sources","shareTitle":"Blue Cash Preferred Card from American Express vs Delta SkyMiles Platinum American Express Card","shareText":"The Blue Cash Preferred Card from American Express edges out the Delta SkyMiles Platinum American Express Card for most cardholders — it wins on 3 of 4 comparison categories and offers $300 signup bonus, with a higher top earn rate (6x vs 3x). On raw upside, Blue Cash Preferred Card from American Express tops out at 6x versus 3x for Delta SkyMiles Platinum American Express Card. Current signup bonus values are roughly $300 for Blue Cash Preferred Card from American Express and $13 for Delta SkyMiles Platinum American Express Card. Updated June 4, 2026. Source: https://cardcurator.ai/compare/blue-cash-preferred-card-from-american-express-vs-delta-skymiles-platinum-american-express-card","evidenceBullets":["Blue Cash Preferred Card from American Express wins 3 of 4 comparison categories in CardCurator's quick verdict model.","Top earn rate: Blue Cash Preferred Card from American Express reaches 6x; Delta SkyMiles Platinum American Express Card reaches 3x.","Annual fee: Blue Cash Preferred Card from American Express is $95/yr; Delta SkyMiles Platinum American Express Card is $350/yr.","Current public bonus values are approximately $300 and $13."],"winner":{"name":"Blue Cash Preferred Card from American Express","slug":"blue-cash-preferred-card-from-american-express","score":3,"maxEarnRate":6,"annualFee":95},"loser":{"name":"Delta SkyMiles Platinum American Express Card","slug":"delta-skymiles-platinum-american-express-card","score":1,"maxEarnRate":3,"annualFee":350}}}