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

🇺🇸 N735X - Boeing 737 5Y0 - Dynamic Airways N735X, Shenandoah Valley Regional (SHD) to Mc Connell Afb (IAB) - 3.3 mi away @ 27975 ft, heading W at 449 mph. Spotted for first time! [10:41:24 AM CDT] #A9DFAB #N735X #B735 #N735X #ADSB #ADSBbot