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

🇺🇸 N8785L - Boeing 737MAX 8 - Southwest Airlines SWA3092/WN3092, Chicago Midway (MDW) to Phoenix Sky Harbor (PHX) - 26.4 mi away @ 34100 ft, heading WSW at 497 mph. Spotted 49x before! [08:21:36 PM CDT] #AC1720 #N8785L #B38M #SOUTHWEST #SWA3092 #WN3092 #ADSB #ADSBbot