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

🇺🇸 N8722L - Boeing 737MAX 8 - Southwest Airlines SWA4698/WN4698 (BWI-COS) - 4.4 mi away @ 36425 ft, heading WSW at 448 mph. Spotted 51x before! [10:55:41 AM CST] #AC006D #N8722L #B38M #SOUTHWEST #SWA4698 #WN4698 #ADSB #ADSBbot