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

🇺🇸 N551WN - Boeing 737NG 76Q/W - Southwest Airlines SWA1771/WN1771 (STL-TUL-LAS) - 4.5 mi away @ 10375 ft, heading WSW at 323 mph. Spotted 56x before! [11:30:18 AM CST] #A70523 #N551WN #B737 #SOUTHWEST #SWA1771 #WN1771 #Landing #ADSB #ADSBbot

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

🇺🇸 N551WN - Boeing 737NG 76Q/W - Southwest Airlines SWA681/WN681, Salt Lake City (SLC) to Phoenix Sky Harbor (PHX) - 3.3 mi away @ 7925 ft, heading E at 322 mph. Spotted 55x before! [10:18:10 PM CST] #A70523 #N551WN #B737 #SOUTHWEST #SWA681 #WN681 #Landing #ADSB #ADSBbot