https://www.americanexpress.com/en-us/benefits/offers/?
select American Express Cardholders: $125 Statement Credit when you Spend $300 or more at Delta Air Lines w/ your enrolled Amex Card, valid for purchases made directly with Delta Air Lines through U.S. www.delta.com, via Fly Delta U.S. App, and U.S. Delta Reservations telephone line. Offer valid through December 31, 2021.
select American Express Cardholders: $125 Statement Credit when you Spend $300 or more at Delta Air Lines w/ your enrolled Amex Card, valid for purchases made directly with Delta Air Lines through U.S. www.delta.com, via Fly Delta U.S. App, and U.S. Delta Reservations telephone line. Offer valid through December 31, 2021.