🇺🇸 N370UP - Boeing 767 300F - United Parcel Service UPS5981/5X5981, Boeing Field/King County (BFI) to Salt Lake City (SLC) - 5.3 mi away @ 38775 ft, heading ESE at 603 mph. Spotted 30x before. [11:08:50 AM CDT] #A4359B #N370UP #B763 #UPS #UPS5981 #5X5981 #ADSB #ADSBbot
