In this Thursday, Oct. 11, 2012 photo, a FedEx cargo jet taxis on the runway after landing at Miami International Airport in Miami. FedEx says its third-quarter profit fell 31 percent a

 

              In this Thursday, Oct. 11, 2012 photo, a FedEx cargo jet taxis on the runway after landing at Miami International Airport in Miami. FedEx says its third-quarter profit fell 31 percent a
In this Thursday, Oct. 11, 2012 photo, a FedEx cargo jet taxis on the runway after landing at Miami International Airport in Miami. FedEx says its third-quarter profit fell 31 percent as customers are opting for less-expensive ground shipping, hurting the company's airfreight business. (AP Photo/Wilfredo Lee)