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

🇺🇸 N8960L - BOEING 737 MAX 8 - Southwest Airlines SWA442/WN442, St Louis Lambert (STL) to San Antonio (SAT) - 3.4 mi away @ 9300 ft, heading SW at 330 mph. Spotted 12x before. [10:17:59 PM CDT] #AC5E01 #N8960L #B38M #SOUTHWEST #SWA442 #WN442 #TakingOff #Departure #ADSB #ADSBbot