next day air cost usps

next day air cost usps refers to the pricing of USPS’s Priority Mail Express service, which guarantees overnight delivery to most U.S. addresses. Rates depend on package size, weight, and delivery zone. While more expensive than standard shipping, it includes tracking, delivery confirmation, and up to $100 insurance. Businesses and individuals use this service for time-sensitive items like legal documents, medical supplies, or last-minute gifts, valuing speed and reliability over cost.