ups vs usps international shipping is a comparison that many businesses and consumers consider when choosing the best carrier for international shipments. UPS is known for its reliable and fast international delivery options, with tracking capabilities and faster delivery times, often in 1-5 business days. USPS, on the other hand, offers more affordable options for international shipping but may take longer for delivery, with services like Priority Mail International taking 6-10 business days. The choice between UPS and USPS depends on factors such as shipping speed, cost, and tracking requirements.