🇺🇸 N346UP - Boeing 767 34AF/W - United Parcel Service UPS808/5X808, Louisville Muhammad Ali (SDF) to Denver (DEN) - 4.3 mi away @ 36000 ft, heading W at 536 mph. Spotted 23x before. [04:19:55 PM CDT] #A3D568 #N346UP #B763 #UPS #UPS808 #5X808 #ADSB #ADSBbot