when do the usps deliver

when do the usps deliver is a question often asked by customers waiting on packages or planning to send time-sensitive mail. USPS typically delivers Monday through Saturday, between 9:00 AM and 5:00 PM local time, though actual delivery hours may vary based on location, weather, and volume. In some areas, deliveries can extend as late as 8:00 PM during high-demand periods like holidays. USPS Priority Mail Express includes Sunday and holiday delivery for an added fee. Tracking updates help estimate the delivery window, and informed delivery alerts provide advance notice of incoming mail. Knowing when the USPS delivers helps recipients plan their day and improves satisfaction with e-commerce purchases. For businesses, aligning fulfillment speed with USPS delivery windows ensures faster last-mile delivery and reduces customer service inquiries.