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

🇺🇸 N561WN - Boeing 737NG 73V/W - Southwest Airlines SWA3755/WN3755 (HOU-MDW-DCA) - 4.5 mi away @ 38500 ft, heading NNE at 536 mph. Spotted 73x before. [06:34:54 AM CDT] #A72CA2 #N561WN #B737 #SOUTHWEST #SWA3755 #WN3755 #ADSB #ADSBbot

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

🇺🇸 N497WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3755/WN3755 (HOU-MDW-DCA) - 5.1 mi away @ 39550 ft, heading NNE at 532 mph. Spotted 81x before. [06:42:15 AM CDT] #A62C1A #N497WN #B737 #SOUTHWEST #SWA3755 #WN3755 #ADSB #ADSBbot

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

🇺🇸 N480WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3755/WN3755 (HOU-MDW-DCA) - 4.7 mi away @ 39325 ft, heading NNE at 497 mph. Spotted 71x before. [06:51:50 AM CDT] #A5EA9A #N480WN #B737 #SOUTHWEST #SWA3755 #WN3755 #ADSB #ADSBbot