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

🇺🇸 N439UA - Airbus A320 232 - United Airlines UAL1798/UA1798, Detroit Metro Wayne County (DTW) to George Bush Intcntl/Houston (IAH) - 4.8 mi away @ 39675 ft, heading SW at 445 mph. Spotted 32x before! [08:30:41 AM CDT] #A54650 #N439UA #A320 #UNITED #UAL1798 #UA1798 #ADSB #ADSBbot