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

🇺🇸 N17359 - Boeing 737MAX 8 - United Airlines UAL284/UA284, Harry Reid (LAS) to Washington Dulles (IAD) - 4.3 mi away @ 37100 ft, heading ESE at 532 mph. Spotted 4x before! [04:48:04 AM CDT] #A1277B #N17359 #B38M #UNITED #UAL284 #UA284 #ADSB #ADSBbot