The time it takes for the USPS to deliver a package is dependent upon the kind of delivery service selected. Domestic delivery services available include Media Mail, USPS Retail Ground, First-Class Mail, Priority Mail and Priority Mail Express. USPS Retail Ground is delivered in two to eight business days, while First-Class Mail and Priority Mail take one to three business days.
Priority Mail Express is the fastest, with a promise of overnight delivery, seven days a week, or the purchaser's money back, for most U.S. locations. Media Mail takes two to eight business days and is only available for books or other educational media. International services provided by the USPS include Airmail M-Bags, First Class Package International Service, First Class Mail International, Priority Mail International, Priority Mail Express International and Global Express Guaranteed. All services except Priority Mail International, Priority Mail Express International and Global Express Guaranteed have delivery times that vary by destination. Priority Mail International packages are delivered in six to 10 business days. Priority Mail Express International takes three to five business days. Packages delivered by Global Express Guaranteed are received after one to three business days and have a money-back guarantee.
All prices vary according to package size, destination and delivery time. Discounts are available when postage is purchased online.