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

🇺🇸 N8324A - Boeing 737NG 8H4/W - Southwest Airlines SWA1898/WN1898 (BOS-BNA-MCI) - 4.8 mi away @ 42200 ft, heading W at 471 mph. Spotted 85x before! [12:10:32 AM CDT] #AB62AD #N8324A #B738 #SOUTHWEST #SWA1898 #WN1898 #ADSB #ADSBbot