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

🇺🇸 N350RV - Boeing 737MAX 8 - American Airlines AAL373/AA373, Chicago O'Hare (ORD) to Juan Santamaria (SJO) - 4.4 mi away @ 33475 ft, heading SSW at 451 mph. Spotted 11x before. [04:39:21 PM CST] #A3E658 #N350RV #B38M #AMERICAN #AAL373 #AA373 #ADSB #ADSBbot