To avoid penalties, you must cancel your Delta flight within 24 hours of booking. This 24-hour risk-free cancellation policy covers all ticket types booked directly with Delta. It's important to act within this time frame to ensure you won't incur any fees. For detailed instructions or further assistance, visit Delta's official site or reach out to customer support. Visit Us: https://www.devex.com/people/can-i-cancel-my-flight-and-get-a-refund-from-aeromexico-cancellation-policy-1961664