To manage your Delta Airlines booking, you can log into your account on Delta Airlines official website or the Fly Delta app to view details, change flights, upgrade seats, add bags or extras, check in, get a mobile boarding pass, track your flight status, access your ticket receipt, and more. If you need more information about Delta Airlines Manage Booking contact the helpdesk at 1 (800) 221-1212 or 1 (888) 838-0309 (OTA-Skip Waiting). Or visit the Airwaysmanagebooking site.