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

🇺🇸 N1803U - Boeing 737MAX 8 - Southwest Airlines SWA1749/WN1749, St Louis Lambert (STL) to San Francisco (SFO) - 5.7 mi away @ 12825 ft, heading WNW at 384 mph. Spotted 69x before. [08:52:12 AM CDT] #A14380 #N1803U #B38M #SOUTHWEST #SWA1749 #WN1749 #Landing #Departure #ADSB #ADSBbot