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

🇺🇸 N260UP - McDonnell Douglas MD-11 F - United Parcel Service UPS1423/5X1423, Denver (DEN) to Louisville Muhammad Ali (SDF) - 10.3 mi away @ 41325 ft, heading ESE at 591 mph. Spotted 6x before! [09:36:27 PM CST] #A280CD #N260UP #MD11 #UPS #UPS1423 #5X1423 #ADSB #ADSBbot