If your tracking information shows that your package was delivered, but you can't find it within 48 hours of expected delivery: 1. Look for a notice of attempted delivery. 2. Look around the delivery location for your package. 3. See if someone else accepted the delivery. 4. Check your mailbox or wherever else you receive mail. 5. Wait 48 hours. In rare cases, packages may say delivered up to 48 hours before arrival.