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

🇺🇸 N8557Q - Boeing 737NG 800/W - Southwest Airlines SWA3627/WN3627, St Louis Lambert (STL) to Jacksonville (JAX) - 3.5 mi away @ 10400 ft, heading SE at 399 mph. Spotted 80x before. [11:08:14 PM CDT] #ABBD47 #N8557Q #B738 #SOUTHWEST #SWA3627 #WN3627 #Landing #Departure #ADSB #ADSBbot