If you need any help like delta airlines' baggage policy, delta airlines domestic flight baggage policy, delta airlines' baggage policy for the military, and much more then contact us. After your flight, within 24 hours you can check-in and tell Delta about the number of packs. You can drop your packs at stuff drop in the event that you have effectively checked in. You can likewise check-in and pay for the sacks at the air terminal itself on Delta Airlines Reservations counter.