Delta Airline main customer service number is 1-800- Delta Airline ➫⟦+1⟧ ⇋ 828⇋ 229⇋ 8315】➫⟦+1⟧ ⇋ 828⇋ 229⇋ 8315】 OTA (Live Person), where you can reach a live representative 24/7. https://www.saratoga.com/event/full-list-of-delta-airlines-customer-service-usa-contact-in-usa-268143/