πππ₯ππ Airlines provides a 24-hour cancellation policy γ((+πΒ»πππΒ»πππΒ»ππππ))γ. If you book a flight at least seven days before departure and cancel within 24 hours of booking γ((+πΒ»πππΒ»πππΒ»ππππ))γ (πΎππ°)γ), you are eligible for a full refund without any cancellation fees.
https://www.devex.com/people/what-is-the-cancellation-policy-for-delta-airlines-2215424