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

🇺🇸 N8726H - Boeing 737MAX 8 - Southwest Airlines SWA4663/WN4663 (DAL-TUL-MDW) - 4.6 mi away @ 39250 ft, heading ENE at 546 mph. Spotted 56x before! [08:55:16 PM CDT] #AC00F6 #N8726H #B38M #SOUTHWEST #SWA4663 #WN4663 #ADSB #ADSBbot

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

🇺🇸 N7743B - Boeing 737NG 7BD/W - Southwest Airlines SWA4663/WN4663, Tulsa (TUL) to Chicago Midway (MDW) - 4.7 mi away @ 39100 ft, heading NE at 482 mph. Spotted 53x before! [08:06:25 AM CDT] #AA7AA6 #N7743B #B737 #SOUTHWEST #SWA4663 #WN4663 #ADSB #ADSBbot