Priority Mail takes anywhere from one to three business days to arrive at its final destination. The estimated delivery date is based upon origin, destination, and the time of day that the United States Postal Service receives the original mail.
Priority Mail Express schedules overnight delivery to many U.S. destinations. Priority Mail International is another option if mailing to a location outside the United States. Internationally, Priority delivery can typically be completed within six to 10 business days. Priority Mail Express International delivers packages within three to five business days. This service also comes with a money-back guarantee for a select number of countries.