Enter your SkyMiles, credit card or flight confirmation number, and click "Search" to look up your itinerary. Follow the online prompts to check in and print your. If you didn't use the Fly Delta app to check in to your flight or print your boarding pass, use the Delta airport kiosks to check in quickly. When you arrive, follow the​. you are departing from an airport which accepts mobile boarding passes (if not, then you may check-in and print a boarding pass at the self-service kiosk or ticket​. GeoMedic 10, forum posts. Never checked in on-line before and I'm afraid to mess up and cancel my reservation or something! To learn more or opt-out, read our Cookie Policy. Curbside check-in is convenient because you get the same service as you would get while checking in at the ticket counter, only you do not have to carry your bags delta check in boarding pass the airport. PO 10, forum posts.