Does Delta have 24-hour cancellation for Basic Economy?
Delta Airlines Cancellation Policy
Delta Airlines allows cancellations with full refunds within 24 hours of booking. For non-refundable tickets, you can make changes or cancel without a fee, but you'll receive a travel credit instead of a refund. Contact Delta at +1 (800) 580-3770 for USA or +1-800-580-37.70 for UK to process your cancellation.