The busiest time of year for FedEx are the holidays and Apple iPhone or iPad launches. Only one is rumored for late September, so word that FedEx is preparing for surge volumes on September 21st through September 24th could mean one thing, an iPhone 5 release.
Not only are carriers implementing a vacation blackout, but now we have FedEx limiting employee travel and training. With the September 12th date official, it only stands to reason that whatever gets announced next week will see a release date shortly thereafter. This could mean that pre-orders could go up sometime next week.