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

🇺🇸 N24212 - Boeing 737NG 824/W - United Airlines UAL2001/UA2001, George Bush Intcntl/Houston (IAH) to Dane County Regional/Truax Field (MSN) - 14.4 mi away @ 39250 ft, heading NNE at 515 mph. Spotted 8x before! [01:25:09 PM CDT] #A23A03 #N24212 #B738 #UNITED #UAL2001 #UA2001 #ADSB #ADSBbot

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

🇺🇸 N27271 - Boeing 737MAX 8 - United Airlines UAL2001/UA2001, Newark Liberty (EWR) to Harry Reid (LAS) - 4.8 mi away @ 40475 ft, heading WSW at 529 mph. Spotted 6x before! [10:29:08 PM CDT] #A2B151 #N27271 #B38M #UNITED #UAL2001 #UA2001 #ADSB #ADSBbot