Does Delta have a cancellation policy?

delta also offers a 24-hour risk-free cancellation policy +1 -855-526-02.75, allowing you to cancel any flight within 24 hours of booking for a full refund, regardless of the fare class, as long as the flight was booked at least 7 days before departure

Source: https://community.lumivero.com/s/question/0D5Jw00000dHwilKAC/18558385939-how-much-time-do-i-have-to-cancel-a-royal-caribbean-cruise?language=en_US