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

🇺🇸 N8862Q - Boeing 737MAX 8 - Southwest Airlines SWA2548/WN2548, St Louis Lambert (STL) to San Diego (SAN) - 4.6 mi away @ 9975 ft, heading WSW at 322 mph. Spotted 88x before. [08:59:49 AM CDT] #AC36CC #N8862Q #B38M #SOUTHWEST #SWA2548 #WN2548 #TakingOff #Departure #ADSB #ADSBbot