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

🇺🇸 N8921Q - Boeing 737MAX 8 - Southwest Airlines SWA1227/WN1227, Denver (DEN) to Washington Dulles (IAD) - 3.5 mi away @ 31425 ft, heading E at 639 mph. Spotted 18x before! [08:33:09 PM CDT] #AC4F4C #N8921Q #B38M #SOUTHWEST #SWA1227 #WN1227 #ADSB #ADSBbot

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

🇺🇸 N8574Z - Boeing 737NG 800/W - Southwest Airlines SWA1227/WN1227, St Louis Lambert (STL) to Phoenix Sky Harbor (PHX) - 3.9 mi away @ 5825 ft, heading SW at 315 mph. Spotted 65x before! [11:32:53 AM CST] #ABC455 #N8574Z #B738 #SOUTHWEST #SWA1227 #WN1227 #Landing #Departure #ADSB #ADSBbot

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

🇺🇸 N8925Q - Boeing 737MAX 8 - Southwest Airlines SWA1227/WN1227 - 3.4 mi away @ 7325 ft, heading SW at 309 mph. Spotted 3x before! [11:35:20 AM CST] #AC4FD8 #N8925Q #B38M #SOUTHWEST #SWA1227 #WN1227 #Landing #ADSB #ADSBbot