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

🇺🇸 N37365 - Boeing 737MAX 8 - United Airlines UAL1776/UA1776 (PNS-ORD-PHL) - 4.7 mi away @ 37225 ft, heading N at 565 mph. Spotted 4x before! [04:32:14 PM CST] #A44238 #N37365 #B38M #UNITED #UAL1776 #UA1776 #ADSB #ADSBbot