🇺🇸 N504GJ - Bombardier CRJ 700 - United Express GJS3375/G73375, St Louis Lambert (STL) to Chicago O'Hare (ORD) - 3.9 mi away @ 3875 ft, heading WNW at 258 mph. Spotted 27x before. [08:21:34 PM CDT] #A6496B #N504GJ #CRJ7 #LINDBERGH #GJS3375 #G73375 #Landing #Departure #ADSB #ADSBbot