ups vs fedex overnight rates is a comparison of the shipping rates for overnight services offered by two of the largest carriers. UPS and FedEx both provide overnight shipping, but the rates can vary depending on factors such as package size, weight, and delivery location. Generally, FedEx is known for its quick delivery times for international shipments, while UPS may offer better rates for domestic deliveries. Comparing both carriers’ rates using their online calculators can help businesses choose the most cost-effective option for overnight deliveries.