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

🇺🇸 N331SC - EMBRAER S A ERJ 170-200 LR - AMERICAN AIRLINES INC ENY4098/MQ4098, Chicago O'Hare (ORD) to George Bush Intcntl/Houston (IAH) - 3.9 mi away @ 32900 ft, heading SW at 475 mph. Spotted 12x before. [06:08:32 PM CDT] #A39B19 #N331SC #E170 #ENY4098 #MQ4098 #autopilot #ADSB #ADSBbot