Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N8531Q - Boeing 737NG 800/W - Southwest Airlines SWA3315/WN3315, William P Hobby (HOU) to St Louis Lambert (STL) - 3.5 mi away @ 4200 ft, heading WNW at 265 mph. Spotted 105x before. [02:53:15 PM CDT] #ABB507 #N8531Q #B738 #SOUTHWEST #SWA3315 #WN3315 #Landing #Arrival #ADSB #ADSBbot