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

🇺🇸 N571GJ - Bombardier CRJ 700 - United Express SKW5523/OO5523, Bill And Hillary Clinton Ntl/Adams Field (LIT) to Chicago O'Hare (ORD) - 18.2 mi away @ 39275 ft, heading N at 503 mph. Spotted 5x before! [12:22:18 PM CDT] #A752BF #N571GJ #CRJ7 #LINDBERGH #SKW5523 #OO5523 #ADSB #ADSBbot