overnight rates usps

overnight rates usps depend on the weight, size, and destination of the package. USPS offers Priority Mail Express for overnight delivery, with prices starting around $26.35 for a flat-rate envelope. Rates for packages vary, with larger and heavier items costing more. The cost also depends on whether the delivery is within the U.S. or if it’s an international shipment. USPS guarantees delivery by 3 p.m. the next day to most destinations, making it an excellent choice for urgent, time-sensitive shipments.