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

🇺🇸 N8898L - Boeing 737MAX 8 - Southwest Airlines SWA3722/WN3722, St Louis Lambert (STL) to San Diego (SAN) - 3.3 mi away @ 7375 ft, heading SW at 319 mph. Spotted 54x before! [09:33:21 AM CDT] #AC42BF #N8898L #B38M #SOUTHWEST #SWA3722 #WN3722 #TakingOff #Departure #ADSB #ADSBbot