https://communities.actian.com/s/question/0D5Nu00000KrvsuKAB/delta-with-24-hour-delta-airlines-cancellation-policy-fly-delta (Delta with 24 hour) Delta Airlines cancellation policy? (Fly Delta) Delta offers a 24-hour risk-free cancellation policy, allowing you to cancel any reservation within 24 hours of booking without any fees {++1-(844) 448) (0875)}.