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 JUS265/UJ265, Willow Run (YIP) to Plan De Guadalupe (SLW) - 4.4 mi away @ 37250 ft, heading SW at 493 mph. Spotted 10x before! [03:26:56 PM CDT] #AB891A #N842US #MD88 #JET_USA #JUS265 #UJ265 #ADSB #ADSBbot