Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N331UP - Boeing 767 34AF/W - United Parcel Service UPS920/5X920, Louisville Muhammad Ali (SDF) to Ontario (ONT) - 4.2 mi away @ 36000 ft, heading WNW at 519 mph. Spotted 14x before! [01:30:48 AM CDT] #A39B56 #N331UP #B763 #UPS #UPS920 #5X920 #ADSB #ADSBbot