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

🇺🇸 N842US - McDonnell Douglas DC-9 88SF - USA Jet Airlines JUS332/UJ332, El Paso (ELP) to Willow Run (YIP) - 4.5 mi away @ 38750 ft, heading ENE at 509 mph. Spotted 11x before! [03:44:51 PM CDT] #AB891A #N842US #MD88 #JET_USA #JUS332 #UJ332 #ADSB #ADSBbot