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

🇺🇸 N76516 - Boeing 737NG 824/W - United Airlines UAL2412/UA2412, Baltimore/Washington Thurgood Marshall (BWI) to Denver (DEN) - 5.4 mi away @ 37950 ft, heading W at 492 mph. Spotted 9x before! [08:54:51 AM CDT] #AA56B5 #N76516 #B738 #UNITED #UAL2412 #UA2412 #ADSB #ADSBbot

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

🇺🇸 N37547 - Boeing 737MAX 9 - United Airlines UAL2412/UA2412, Baltimore/Washington Thurgood Marshall (BWI) to Denver (DEN) - 4.3 mi away @ 36225 ft, heading W at 412 mph. Spotted 7x before! [08:55:28 AM CDT] #A44962 #N37547 #B39M #UNITED #UAL2412 #UA2412 #ADSB #ADSBbot