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

🇺🇸 N624UP - Boeing 747 8F - United Parcel Service UPS99/5X99 (ICN-ANC-SDF) - 3.9 mi away @ 35450 ft, heading ESE at 648 mph. Spotted 3x before! [10:38:56 PM CDT] #A826E9 #N624UP #B748 #UPS #UPS99 #5X99 #ADSB #ADSBbot