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

🇺🇸 N378SC - Boeing 737MAX 8 - American Airlines AAL9834/AA9834 - 4.2 mi away @ 34075 ft, heading W at 374 mph. Spotted 7x before! [08:15:01 AM CST] #A45316 #N378SC #B38M #AMERICAN #AAL9834 #AA9834 #ADSB #ADSBbot