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

🇺🇸 N8818Q - Boeing 737MAX 8 - Southwest Airlines SWA2011/WN2011, Austin-Bergstrom (AUS) to Chicago Midway (MDW) - 4.3 mi away @ 37125 ft, heading NNE at 544 mph. Spotted 106x before. [12:23:34 AM CST] #AC250B #N8818Q #B38M #SOUTHWEST #SWA2011 #WN2011 #ADSB #ADSBbot

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

🇺🇸 N437WN - Boeing 737NG 7H4/W - Southwest Airlines SWA2011/WN2011 (HOU-AUS-STL) - 3.3 mi away @ 8100 ft, heading E at 339 mph. Spotted 40x before! [02:51:35 PM CDT] #A53F20 #N437WN #B737 #SOUTHWEST #SWA2011 #WN2011 #Landing #ADSB #ADSBbot