Delta Airlines allows name changes/corrections under the name change policy. According to the policy, you rectify minor errors up to 3 letters and change a name in case of legal compulsions such as marriage, divorce, or adoption. To change your last name on the ticket, you have to present legal documents like marriage/divorce decree, passport, or court order as stated under the Delta Airlines name change policy. To learn more, you can contact the airline's customer support or head to its official website. Alternatively, dial +1-800-865-1848 to connect with the consolidation desk and get your queries answered immediately.