What's Delivered means in USPS

This status indicates the package has been delivered to the end customer. The package will have been dropped off and the tracking should note the delivery date/time.

If for any reason any package is unable to be delivered, one of the below statuses may be encountered:

Delivery Failure -This status indicates that the package was unable to be delivered for some reason (i.e.street number not found; no secure location available; no access; etc). Typically an order that fails to deliver will be returned to sender (explained below).