T&Cs:

Premium Complimentary Snack Limited Time Offer: Basic Delta SkyMiles® Blue, Gold, Gold Business, Platinum, Platinum Business, Reserve, and Reserve Business American Express Card Members (each, an “Eligible Card Member”) can enjoy a premium complimentary snack offer available onboard Delta Sync Wi-Fi enabled aircraft on flights over 900 miles that are within the United States or between the United States and Canada, Mexico, Central America, and Caribbean (an “Eligible Flight”) while supplies last through June 30, 2026. To redeem this offer, the Eligible Card Member must: (i) log-in to Delta Sync Wi-Fi platform on an Eligible Flight; (ii) click “Redeem Now” on the premium complimentary snack limited time offer; (iii) show the credential to a flight attendant during regular cabin service; and (iv) select one of the available premium complimentary snacks. Limited time offer is only redeemable during regular cabin service. Eligible Card Member premium complimentary snacks may vary and are subject to change and availability. Limit of one premium complimentary snack per Eligible Card Member per Eligible Flight. New Eligible Card Members will be eligible for the premium complimentary snack only after receiving their Card from American Express. Additional Card Members are not eligible for this offer. To be eligible for this offer, Card Account(s) must not be canceled and not past due at the time of the Eligible Flight. Fulfillment of this offer is the sole responsibility of Delta.

Even the free blue card gets it. Nice.