Do you have queries with Delta Airlines that need to be resolved instantly? Call the airline to share your concerns, and fly without any trouble. If you are unable to avail assistance on the call, you must request a callback from the airline. How do I Get My Delta Callback? It is very simple to request a callback from the airline. You can open the live chat, or even choose the option for the callback on the phone. Contact 1-860-321-4022 to request a callback from the airline. Delta representatives will call you when they have the time.