is priority express mail overnight

is priority express mail overnight Is Priority Express Mail overnight refers to USPS’s fastest service, offering next-day to 2-day delivery to most U.S. addresses. Priority Mail Express includes tracking, up to $100 insurance, and proof of delivery, with overnight service available 365 days a year in select locations. Delivery time depends on drop-off location and time. This service is ideal for urgent packages like legal documents or perishable goods and offers a money-back guarantee if USPS fails to deliver on time.