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

🇺🇸 N24702 - Boeing 737NG 724/W - United Airlines UAL2639/UA2639, Dallas-Fort Worth (DFW) to Washington Dulles (IAD) - 4.8 mi away @ 40175 ft, heading NE at 556 mph. Spotted 14x before! [08:56:01 AM CDT] #A24C73 #N24702 #B737 #UNITED #UAL2639 #UA2639 #ADSB #ADSBbot