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

🇺🇸 N352UP - Boeing 767 34AF/W - United Parcel Service UPS5912/5X5912, Louisville Muhammad Ali (SDF) to Ontario (ONT) - 4.2 mi away @ 33775 ft, heading W at 420 mph. Spotted 12x before! [01:34:38 PM CST] #A3EE0B #N352UP #B763 #UPS #UPS5912 #5X5912 #ADSB #ADSBbot