priority mail time frame is typically between 1 to 3 business days, depending on the destination. USPS Priority Mail is an expedited shipping service that provides fast delivery within the United States. For closer destinations, the delivery time may be as short as one day, while longer distances may take up to three days. Priority Mail also includes free tracking, which allows customers to follow their package’s journey until it reaches its destination. This service is ideal for those needing fast shipping without paying the higher cost of next-day delivery.