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

🇺🇸 N8528Q - Boeing 737NG 800/W - Southwest Airlines SWA3728/WN3728 (ORD-DAL-DEN) - 4.8 mi away @ 39650 ft, heading SW at 494 mph. Spotted 92x before! [02:18:52 PM CDT] #ABB245 #N8528Q #B738 #SOUTHWEST #SWA3728 #WN3728 #ADSB #ADSBbot

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

🇺🇸 N8611F - Boeing 737NG 8H4/W - Southwest Airlines SWA3728/WN3728 (ORD-DAL-DEN) - 4.9 mi away @ 41525 ft, heading SW at 522 mph. Spotted 87x before! [02:19:14 PM CDT] #ABD50F #N8611F #B738 #SOUTHWEST #SWA3728 #WN3728 #ADSB #ADSBbot

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

🇺🇸 N8778Q - Boeing 737MAX 8 - Southwest Airlines SWA3728/WN3728 (ORD-DAL-DEN) - 4.8 mi away @ 39650 ft, heading SW at 528 mph. Spotted 73x before! [03:00:38 PM CDT] #AC13D6 #N8778Q #B38M #SOUTHWEST #SWA3728 #WN3728 #ADSB #ADSBbot

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

🇺🇸 N8844Q - Boeing 737MAX 8 - Southwest Airlines SWA3728/WN3728 (ORD-DAL-DEN) - 3.8 mi away @ 31625 ft, heading SW at 528 mph. Spotted 81x before! [02:55:54 PM CDT] #AC2FA4 #N8844Q #B38M #SOUTHWEST #SWA3728 #WN3728 #ADSB #ADSBbot