The most stringent screening rules apply to packages that will be carried on passenger airplanes. FedEx and UPS each have their own fleet of planes, and the rules are not as strict. Price said the companies aren't required to use X-ray, explosive-trace detection or canine screening but can at their option.

Does FedEx do packages?

Our packing service includes standard box(es) and packing materials, plus expert packing by a FedEx Office pro. A wide selection of specialty boxes is available for bikes, golf clubs, artwork, laptops, and more. ... Everything we pack is backed by the FedEx Office^® Packing Pledge.

How does FedEx deliver its packages?

All packages designated for ground shipment go through one. When a package enters the hub, the shipping address is scanned and entered into the FedEx system. The package eventually reaches a truck heading to one or more destination hubs. Packages scheduled for local service go straight to a delivery vehicle.