priority mail times usps refer to the estimated delivery times for USPS Priority Mail services, which typically range from 1-3 business days, depending on the origin and destination. Priority Mail is an affordable yet fast shipping option for packages weighing up to 70 lbs. For businesses, using Priority Mail ensures quick delivery without the high costs associated with expedited services. It is ideal for time-sensitive shipments and is commonly used for e-commerce orders, including larger items that don’t qualify for First-Class Mail.