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

🇺🇸 N577UP - Boeing 747 44AF - United Parcel Service UPS32/5X32, Louisville Muhammad Ali (SDF) to Daniel K Inouye (HNL) - 4.2 mi away @ 35475 ft, heading W at 543 mph. Spotted 3x before! [04:00:15 AM CDT] #A76A3A #N577UP #B744 #UPS #UPS32 #5X32 #ADSB #ADSBbot