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

🇺🇸 N679SA - Bombardier CRJ 200ER - United Express SKW5409/OO5409, Huntsville-Carl T Jones Field (HSV) to Chicago O'Hare (ORD) - 3.8 mi away @ 31225 ft, heading NNE at 492 mph. Spotted 10x before. [02:58:00 PM CST] #A8FEB8 #N679SA #CRJ2 #SKYWEST #SKW5409 #OO5409 #ADSB #ADSBbot