priority post delivery times refer to the expected timeframes for shipping services that prioritize faster delivery. For USPS Priority Mail, delivery is typically 1–3 business days within the United States. Express versions offer overnight or two-day delivery with guaranteed times. Priority services often include tracking and limited insurance coverage. Delivery speed can vary depending on origin, destination, and time of shipment. These services are ideal for time-sensitive items and e-commerce orders. Comparing options and pricing helps ensure that the chosen method aligns with the urgency of the shipment.