USPS Priority Mail is twice as fast as FedEx Ground, delivering in two days rather than four. The Postal Service also has the advantage of being able to deliver to PO box addresses. FedEx Ground is cheaper than USPS Priority Mail: $38.90 vs.
Is USPS Priority faster than ground?
That said, it's also important to note that your Priority Mail shipment will be delivered more quickly than your UPS Ground® and FedEx Ground® shipments. USPS Priority Mail® is again estimated to be a two-day delivery while the others measure in at 4 days.
Is FedEx one rate faster than USPS priority?
Delivery takes 1–5 business days (3–7 business days to Alaska and Hawaii), depending on how far away the destination is. The FedEx Ground delivery window is 8 a.m.–8 p.m. To see FedEx Ground transit times, check the FedEx Ground map.