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

🇺🇸 N17346 - Boeing 737MAX 8 - United Airlines UAL1607/UA1607, Indianapolis (IND) to Denver (DEN) - 4.0 mi away @ 35575 ft, heading WSW at 463 mph. Spotted 4x before! [09:08:49 AM CDT] #A12755 #N17346 #B38M #UNITED #UAL1607 #UA1607 #ADSB #ADSBbot