how long does usps priority express take

how long does usps priority express take? USPS Priority Mail Express is the fastest shipping service offered by the United States Postal Service, with a guaranteed delivery time of 1 to 2 days, including overnight delivery to most U.S. addresses. For deliveries to locations within the contiguous U.S., Priority Mail Express offers a money-back guarantee if the package is not delivered on time. It is available for both domestic and international shipments, with international delivery times depending on the destination country. This service is ideal for time-sensitive packages that require fast and reliable delivery.