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

🇺🇸 N57299 - Boeing 737MAX 8 - United Airlines UAL2651/UA2651 (LGA-DEN-SEA) - 4.0 mi away @ 38075 ft, heading W at 496 mph. Spotted 7x before! [04:40:32 PM CDT] #A7598C #N57299 #B38M #UNITED #UAL2651 #UA2651 #ADSB #ADSBbot