🇺🇸 N579GJ - Bombardier CRJ 700 701ER - United Express GJS4412/G74412, Chicago O'Hare (ORD) to St Louis Lambert (STL) - 3.6 mi away @ 2700 ft, heading NNE at 275 mph. Spotted 14x before. [12:47:21 AM CDT] #A77077 #N579GJ #CRJ7 #LINDBERGH #GJS4412 #G74412 #Landing #Arrival #ADSB #ADSBbot