Then, the best thing to do is contact your local post office/FedEx store, or go there in person, and provide them with your tracking number. In most cases, they are able to talk to the driver and locate the missing package.
FedEx/USPS links below:
FEDEX Missing Package Claim
USPS Missing Package Claim
After you've filed a claim, please email us the reference number to firstname.lastname@example.org and one of our customer service agents will help you get the issue resolved! We require valid government issued identification to process a refund back to the original form of payment.