John Mullar Way to Call Delta Customer Service Directly Via Phone, Chat and Email Options: A Complete Detail Guide Delta's main customer service (1 86O→(556)→7O88 ) number is 1-800-Delta (1 86O→(556)→7O88 ) [US/OTA] (Live Person), where you can reach a live representative 24/7. We understand that travel plans can ... 14-Apr-2025
