FILE PHOTO: United Parcel Service aircraft are loaded and unloaded with air containers full of packages bound for their final destination at the UPS Worldport All Points International Hub during the peak delivery season in Louisville, Kentucky, December 9, 2016. REUTERS/John Sommers II/File Photo
FILE PHOTO: United Parcel Service aircraft are loaded and unloaded
FILE PHOTO: United Parcel Service aircraft are loaded and unloaded with air containers full of packages bound for their final destination at the UPS Worldport All Points International Hub during the peak delivery season in Louisville
