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

🇺🇸 N342PM - Boeing 737NG 800/W - American Airlines AAL3140/AA3140, Phoenix Sky Harbor (PHX) to Detroit Metro Wayne County (DTW) - 4.9 mi away @ 43375 ft, heading ENE at 516 mph. Spotted 40x before! [03:33:20 AM CDT] #A3C60D #N342PM #B738 #AMERICAN #AAL3140 #AA3140 #ADSB #ADSBbot