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

🇺🇸 N538GJ - Bombardier CRJ 700 702 - United Express GJS3377/G73377, St Louis Lambert (STL) to Chicago O'Hare (ORD) - 7.8 mi away @ 1100 ft, heading ESE at 138 mph. Spotted 16x before! [10:14:18 AM CDT] #A6CEC4 #N538GJ #CRJ7 #LINDBERGH #GJS3377 #G73377 #Departure #ADSB #ADSBbot