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

🇺🇸 N8661A - Boeing 737NG 8H4/W - Southwest Airlines SWA553/WN553, Tampa (TPA) to St Louis Lambert (STL) - 3.4 mi away @ 2950 ft, heading NE at 255 mph. Spotted 45x before! [04:56:07 PM CST] #ABE79D #N8661A #B738 #SOUTHWEST #SWA553 #WN553 #Landing #Arrival #ADSB #ADSBbot

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

🇺🇸 N8892S - Boeing 737MAX 8 - Southwest Airlines SWA553/WN553, Tampa (TPA) to St Louis Lambert (STL) - 4.6 mi away @ 2825 ft, heading NE at 241 mph. Spotted 39x before! [05:17:02 PM CST] #AC41F3 #N8892S #B38M #SOUTHWEST #SWA553 #WN553 #Landing #Arrival #ADSB #ADSBbot