Delta cancellation policy includes a "24-Hours Free Cancellation" which allows you to cancel most bookings within 24 hours of booking without facing a penalty +1-844-604-2944, provided the check-in date is at least 7 days away. This applies to most f????ights reservations. https://central.xero.com/s/question/0D58V00009SHZXQSA5/helpline-18446042944-does-delta-have-a-cancellation-policy-directcall