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

🇺🇸 N424UP - Boeing 757 24APF - United Parcel Service UPS2580/5X2580 - 4.3 mi away @ 35875 ft, heading WNW at 487 mph. Spotted once before! [04:08:55 PM CDT] #A50C4B #N424UP #B752 #UPS #UPS2580 #5X2580 #ADSB #ADSBbot