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

🇺🇸 N375UP - Boeing 767 300F - United Parcel Service UPS923/5X923, Ontario (ONT) to Louisville Muhammad Ali (SDF) - 4.3 mi away @ 36500 ft, heading ESE at 534 mph. Spotted 26x before! [12:08:18 AM CDT] #A4482E #N375UP #B763 #UPS #UPS923 #5X923 #ADSB #ADSBbot