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

🇺🇸 N135HQ - EMBRAER-EMPRESA BRASILEIRA DE ERJ 170-200 LR - REPUBLIC AIRWAYS INC RRPA4570, Chicago O'Hare (ORD) to Austin-Bergstrom (AUS) - 3.5 mi away @ 28575 ft, heading SW at 487 mph. Spotted 22x before. [09:09:38 PM CST] #A08E82 #N135HQ #E75L #RRPA4570 #autopilot #ADSB #ADSBbot