Quote Originally Posted by ki4itv View Post
Yep, I got the impression most of the sorting happens all at once, not one box at a time.

I lived at the end of a FED EX sorting facility Runway in Southhaven (Memphis). In the wee hours of the morning, a thousand screaching, roaring, fire breathing flying machines would descend into the neighborhood only to start departing an hour or so later...
quite an operation.
Busiest airport in the world (at that time of day).