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

🇺🇸 N7852A - Boeing 737NG 71B/W - Southwest Airlines SWA3267/WN3267, St Louis Lambert (STL) to Des Moines (DSM) - 3.5 mi away @ 18500 ft, heading WNW at 445 mph. Spotted 57x before! [12:15:55 AM CDT] #AAA5B8 #N7852A #B737 #SOUTHWEST #SWA3267 #WN3267 #Departure #ADSB #ADSBbot

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

🇺🇸 N8580Z - Boeing 737NG 800/W - Southwest Airlines SWA3267/WN3267, William P Hobby (HOU) to Chicago Midway (MDW) - 4.2 mi away @ 36200 ft, heading NNE at 524 mph. Spotted 70x before! [06:52:11 PM CDT] #ABC780 #N8580Z #B738 #SOUTHWEST #SWA3267 #WN3267 #ADSB #ADSBbot