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

🇺🇸 N67827 - Boeing 737NG 924ER/W - United Airlines UAL245/UA245, Baltimore/Washington Thurgood Marshall (BWI) to Los Angeles (LAX) - 4.2 mi away @ 34650 ft, heading W at 488 mph. Spotted 15x before. [09:40:02 AM CST] #A8FC2E #N67827 #B739 #UNITED #UAL245 #UA245 #ADSB #ADSBbot