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

🇺🇸 N283WN - Boeing 737NG 7H4/W - Southwest Airlines SWA1161/WN1161, Baltimore/Washington Thurgood Marshall (BWI) to Kansas City (MCI) - 4.8 mi away @ 42100 ft, heading W at 448 mph. Spotted 60x before! [01:55:48 AM CDT] #A2DB21 #N283WN #B737 #SOUTHWEST #SWA1161 #WN1161 #ADSB #ADSBbot