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

🇺🇸 N227NN - Embraer EMB-175 LR - American Eagle ENY3364/MQ3364, Chicago O'Hare (ORD) to Memphis (MEM) - 4.1 mi away @ 34775 ft, heading SSW at 494 mph. Spotted 36x before! [11:06:27 PM CST] #A1FC3B #N227NN #E75L #ENVOY #ENY3364 #MQ3364 #autopilot #ADSB #ADSBbot