.... Priority Mail "tracking" is a joke........
If you are referring to the Delivery Confirmation, it is not a tracking number as many assume it to be. I believe the USPS
can use it for internal tracking but they do not update status on a package until after it has been delivered, for the most part.
I have shipped thousands of packages via Priority Mail with Delivery Confirmation and don't recall a single loss. I did have a package sent to me via this service that never made it and unfortunately by the time I got around to looking into it, the trail, if there was one, was way too cold.
None of the shipping systems are perfect because they rely on humans to carry them out. :shrug: Through the years, I have experienced loses via all of the common carriers. I suspect that some of these losses were due to someone snagging the package after it was delivered to my porch or mail box. I think of paramount significance, in general terms, is the security of the package drop off location and whether a signature is required at the destination. The receiver is in the best position to evaluate this and act accordingly. For me fortunately, signature required is much more trouble than it is worth.
For a while in Berkeley, my mail delivery person was so lazy that he would not even attempt to deliver a package requiring a signature! Numerous times I caught him in tha act of delivering the orange "signature required, missed delivery" form into my mailbox and he would come up with some lame story and walk back to his truck to retrieve the package. I feel incredibly fortunate here on Maui now because all of the postal workers I have encountered and especially my delivery person are really friendly folks and they treat you like a person they are in a role of providing a service to! The delivery person and I call each other by name and we both go out of our way to make life easier on each other! What a novel concept!