What Amazon needs to do in the air is driven by the ultimate reach and purpose of the courier on the ground. Amazon has two options for the path ahead. Either way, it needs more aircraft. Competing with FedEx and UPS means diversifying into smaller aircraft, while perfecting its own rapid retail delivery means bigger freighters.
UPS and FedEx are built around delivering overnight to anywhere. That's not Amazon's game, but the company is building an empire in the sky.
