Map of the St. Louis area showing the position and track of the aircraft described in the post.
πΊπΈ N27273 - Boeing 737MAX 8 - United Airlines UAL637/UA637, Washington Dulles (IAD) to Austin-Bergstrom (AUS) - 4.4 mi away @ 35650 ft, heading WSW at 510 mph. Spotted 6x before! [09:34:09 AM CDT] #A2B153 #N27273 #B38M #UNITED #UAL637 #UA637 #ADSB #ADSBbot