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

🇺🇸 N27733 - Boeing 737NG 724/W - United Airlines UAL2457/UA2457, George Bush Intcntl/Houston (IAH) to General Mitchell (MKE) - 4.4 mi away @ 36575 ft, heading NNE at 592 mph. Spotted 24x before! [10:00:52 PM CST] #A2C35A #N27733 #B737 #UNITED #UAL2457 #UA2457 #ADSB #ADSBbot