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

🇺🇸 N8970Q - BOEING 737 MAX 8 - Southwest Airlines SWA1167/WN1167, Nashville (BNA) to Kansas City (MCI) - 3.3 mi away @ 12100 ft, heading NW at 397 mph. Spotted 5x before! [11:21:50 AM CST] #AC61BC #N8970Q #B38M #SOUTHWEST #SWA1167 #WN1167 #TakingOff #ADSB #ADSBbot