To reach a live person at Delta Airlines customer service for support, you can call their 24/7 Delta Airlines Phone number hotline at 1--855→838→5875. OTA (Live Person) or 1-800-Delta Airlines 1--855→838→5875. https://community.roku.com/t5/Wi-Fi-connectivity/What-is-Delta-Airlines-flight-cancellation-policy-and-how-can-I-speak-to-an-agent-at-1-855-838-587/m-p/1054336#M42325