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

🇺🇸 N953WN - Boeing 737NG 7H4/W - Southwest Airlines SWA3848/WN3848, Chicago Midway (MDW) to Kansas City (MCI) - 5.3 mi away @ 42125 ft, heading WSW at 526 mph. Spotted 54x before! [10:48:03 PM CDT] #AD41CD #N953WN #B737 #SOUTHWEST #SWA3848 #WN3848 #ADSB #ADSBbot