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

🇺🇸 N37290 - Boeing 737NG 824/W - United Airlines UAL452/UA452, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 18.2 mi away @ 37775 ft, heading W at 511 mph. Spotted 13x before! [07:34:30 AM CDT] #A43EE5 #N37290 #B738 #UNITED #UAL452 #UA452 #ADSB #ADSBbot