This is How Delta Flight Change Policy Work: Change Flight Fee, Same Day & Standby

Standard flight changes like date, time, and destination can be made up to 24 hours after flight departure for many tickets. There is a different set of rules if you want to change the ticket within 24 hours of flight departure. There are some tickets that cannot be changed such as Basic Economic fares after the risk-free cancellation period. (aviationrepublic.com) Más...