For a qualifying flight cancellation in 2026, Delta Air Lines typically processes credit card refunds within 7 business days. However, once Delta has "processed" the refund, it may take an additional 1 to 2 billing cycles for the credit to actually appear on your bank or credit card statement, depending on your financial institution's policies. If you paid with a debit card, gift card, or cash, the process is slightly longer, usually taking up to 20 calendar days for the funds to be returned or a check to be mailed. For non-refundable tickets that were canceled by the passenger (rather than the airline), Delta usually issues an eCredit almost instantly, which will appear in your SkyMiles account or "My Trips" section. If you are entitled to a cash refund under the "24-hour risk-free" policy or due to an airline-initiated cancellation, you can track your specific request through the "Check Refund Status" tool on Delta's official website using your 13-digit ticket number.