Canceling a Delta flight online is quick and simple. Visit the official Delta website or use the Delta app to begin. Go to “My Trips,” enter your booking details, and follow the prompts to cancel your flight. As per the Delta flights cancellation policy, many tickets can be canceled without a fee within 24 hours of booking. For non-refundable tickets, the Delta cancellation policy may apply change fees or offer eCredits. Always review the delta change flight policy before making updates. Canceling Delta flight online saves time and helps you manage your travel plans more efficiently.