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

🇺🇸 N634UP - Boeing 747 87UF - United Parcel Service UPS2966/5X2966, Louisville Muhammad Ali (SDF) to Ontario (ONT) - 4.1 mi away @ 31800 ft, heading WNW at 476 mph. Spotted 2x before! [02:34:05 PM CST] #A84E68 #N634UP #B748 #UPS #UPS2966 #5X2966 #ADSB #ADSBbot