I had a package going to Montana. It said it left Bethpage NY. After about two weeks of no further tracking info, I filed a search request. About three days later, I saw it was delivered. On the same day, I got a call from a very pleasant woman in Montana saying she was sorry about the "lost" package. I had to tell her it was delivered.
I had another going to Miami. It made it there and never went out for delivery. I filed a search and they told me it was lost. The PO made good on the cost of the contents and shipping.
One more: A package going to a small town in Pa. It made it to Philly and there was no further tracking. I put in a search request and 4 days later they closed the request. Package still didn't move. A week later I contacted them again. I was told that due to covid everything was delayed. The package finally was delivered two days later.