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

🇺🇸 N37518 - Boeing 737MAX 9 - United Airlines UAL1763/UA1763, San Francisco (SFO) to Raleigh-Durham (RDU) - 4.5 mi away @ 36025 ft, heading E at 563 mph. Spotted 7x before! [02:42:07 PM CDT] #A448FA #N37518 #B39M #UNITED #UAL1763 #UA1763 #ADSB #ADSBbot