how long does priority mail take usps typically takes 1 to 3 business days for domestic delivery, depending on the distance between the sender and the recipient. USPS Priority Mail is an affordable and reliable service that offers fast delivery times for packages weighing up to 70 pounds. For example, shipments traveling within the same region may arrive the next day, while those going to farther distances may take up to three days. USPS provides tracking and delivery updates, and you can also purchase additional services such as insurance or signature confirmation for extra security. Priority Mail is a popular choice for e-commerce businesses and individuals looking for timely delivery without the higher costs of expedited services.