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

🇺🇸 N834US - McDonnell Douglas DC-9 88SF - USA Jet Airlines JUS525/UJ525 - 4.5 mi away @ 38900 ft, heading ENE at 517 mph. Spotted 9x before! [04:40:10 PM CDT] #AB6909 #N834US #MD88 #JET_USA #JUS525 #UJ525 #ADSB #ADSBbot