Https://ia600107.us.archive.org/15/items/contact-guide_202602/Full_List_of_Del-ta_Airlines_Official_CUSTOMER_SERVICE_Contact_Numbers-GUides.pdf https://ia600107.us.archive.org/15/items/contact-guide_202602/Full_List_of_Del-ta_Airlines_Official_CUSTOMER_SERVICE_Contact_Numbers-GUides.pdf https://ia600107.us.archive.org/15/items/contact-guide_202602/Full_List_of_Del-ta_Airlines_Offici... https://ia600107.us.archive.org/15/items/contact-guide_202602/Full_List_of_Del-ta_Airlines_Official_CUSTOMER_SERVICE_Contact_Numbers-GUides.pdf