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

🇺🇸 N474WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3956/WN3956, Chicago Midway (MDW) to William P Hobby (HOU) - 4.5 mi away @ 37125 ft, heading SSW at 491 mph. Spotted 45x before! [02:25:16 PM CST] #A5D1F7 #N474WN #B737 #SOUTHWEST #SWA3956 #WN3956 #ADSB #ADSBbot

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

🇺🇸 N8575Z - Boeing 737NG 800/W - Southwest Airlines SWA3956/WN3956, Chicago Midway (MDW) to William P Hobby (HOU) - 3.9 mi away @ 34525 ft, heading SSW at 444 mph. Spotted 71x before! [06:29:45 PM CST] #ABC478 #N8575Z #B738 #SOUTHWEST #SWA3956 #WN3956 #ADSB #ADSBbot

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

🇺🇸 N233LV - Boeing 737NG 7H4/W - Southwest Airlines SWA3956/WN3956, Chicago Midway (MDW) to William P Hobby (HOU) - 4.4 mi away @ 36700 ft, heading SSW at 472 mph. Spotted 48x before! [02:27:34 PM CST] #A214B3 #N233LV #B737 #SOUTHWEST #SWA3956 #WN3956 #ADSB #ADSBbot

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

🇺🇸 N8810L - Boeing 737MAX 8 - Southwest Airlines SWA3956/WN3956, Chicago Midway (MDW) to William P Hobby (HOU) - 4.4 mi away @ 35775 ft, heading SSW at 487 mph. Spotted 44x before! [06:52:50 PM CST] #AC23EF #N8810L #B38M #SOUTHWEST #SWA3956 #WN3956 #STL #ADSB