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

🇺🇸 N8979L - Southwest Airlines SWA523/WN523, Raleigh-Durham (RDU) to St Louis Lambert (STL) - 3.3 mi away @ 3775 ft, heading NNW at 256 mph. Spotted 8x before. [07:32:15 PM CST] #AC62F3 #N8979L #B38M #SOUTHWEST #SWA523 #WN523 #Landing #Arrival #ADSB #ADSBbot

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

🇺🇸 N257WN - Boeing 737NG 7H4/W - Southwest Airlines SWA523/WN523 (LAS-IND-BNA) - 4.4 mi away @ 37125 ft, heading E at 509 mph. Spotted 60x before! [10:43:16 AM CDT] #A27380 #N257WN #B737 #SOUTHWEST #SWA523 #WN523 #ADSB #ADSBbot