overnight shipping estimate

overnight shipping estimate is a service offered by various carriers such as USPS, UPS, and FedEx, where packages are delivered the next business day. The cost of overnight shipping depends on factors like package size, weight, and destination. USPS offers Priority Mail Express for next-day deliveries, while UPS and FedEx offer options like UPS Next Day Air or FedEx Priority Overnight. Overnight shipping is a fast and reliable option for urgent shipments, but it is typically more expensive than standard shipping methods.