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

🇺🇸 N17346 - Boeing 737MAX 8 - United Airlines UAL446/UA446, Newark Liberty (EWR) to Harry Reid (LAS) - 4.5 mi away @ 37950 ft, heading W at 493 mph. Spotted 3x before! [11:25:36 AM CDT] #A12755 #N17346 #B38M #UNITED #UAL446 #UA446 #ADSB #ADSBbot