The carrier reliability in the mountains where I live from most to least reliable:

  1. UPS
  2. USPS
  3. Amazon
  4. Walmart driver with local delivery in a 1987 Ford Escort with one or two working cylinders
  5. Carrier Pigeon
  6. Walking to a warehouse several states away barefoot
  7. FedEx (the dirty, smoky truck and repeated property damage is a nice touch)
  8. DHL