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

🇺🇸 N448UP - Boeing 757 24APF - United Parcel Service UPS2974/5X2974, Louisville Muhammad Ali (SDF) to Salt Lake City (SLC) - 4.5 mi away @ 37975 ft, heading W at 478 mph. Spotted 5x before! [01:43:54 PM CDT] #A56A25 #N448UP #B752 #UPS #UPS2974 #5X2974 #ADSB #ADSBbot

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

🇺🇸 N475UP - Boeing 757 24APF - United Parcel Service UPS2974/5X2974, Louisville Muhammad Ali (SDF) to Portland (PDX) - 4.6 mi away @ 37800 ft, heading WNW at 463 mph. Spotted 3x before! [02:04:52 PM CST] #A5D57D #N475UP #B752 #UPS #UPS2974 #5X2974 #ADSB #ADSBbot