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

🇺🇸 N75426 - Boeing 737NG 924ER/W - United Airlines UAL263/UA263, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.2 mi away @ 33975 ft, heading W at 445 mph. Spotted 11x before. [09:04:01 AM CST] #AA2BA2 #N75426 #B739 #UNITED #UAL263 #UA263 #ADSB #ADSBbot