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

🇺🇸 N8529Z - Boeing 737NG 800/W - Southwest Airlines SWA2558/WN2558, Denver (DEN) to Washington Dulles (IAD) - 25.0 mi away @ 38825 ft, heading E at 578 mph. Spotted 68x before! [10:59:37 AM CDT] #ABB271 #N8529Z #B738 #SOUTHWEST #SWA2558 #WN2558 #ADSB #ADSBbot

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

🇺🇸 N8947Q - BOEING 737 MAX 8 - Southwest Airlines SWA2558/WN2558, Denver (DEN) to Washington Dulles (IAD) - 5.0 mi away @ 39250 ft, heading ESE at 561 mph. Spotted 12x before! [10:27:59 AM CDT] #AC578C #N8947Q #B38M #SOUTHWEST #SWA2558 #WN2558 #ADSB #ADSBbot

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

🇺🇸 N8576Z - Boeing 737NG 800/W - Southwest Airlines SWA2558/WN2558, Denver (DEN) to Washington Dulles (IAD) - 5.5 mi away @ 39225 ft, heading E at 520 mph. Spotted 70x before! [10:40:10 AM CDT] #ABC49B #N8576Z #B738 #SOUTHWEST #SWA2558 #WN2558 #ADSB #ADSBbot