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

🇺🇸 N8701Q - Boeing 737MAX 8 - Southwest Airlines SWA3101/WN3101, Washington Dulles (IAD) to Phoenix Sky Harbor (PHX) - 3.8 mi away @ 31225 ft, heading W at 535 mph. Spotted 55x before! [07:48:17 PM CDT] #ABF8E0 #N8701Q #B38M #SOUTHWEST #SWA3101 #WN3101 #ADSB #ADSBbot