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

🇺🇸 N37510 - Boeing 737MAX 9 - United Airlines UAL462T/UA462T (PDX-ORD-IAH) - 4.5 mi away @ 37275 ft, heading SW at 515 mph. Spotted 5x before! [06:49:09 PM CDT] #A448F2 #N37510 #B39M #UNITED #UAL462T #UA462T #ADSB #ADSBbot