Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N219NN - Embraer EMB-175 LR - American Eagle ENY3426/MQ3426, Chicago O'Hare (ORD) to San Antonio (SAT) - 3.8 mi away @ 30925 ft, heading SW at 428 mph. Spotted 30x before. [02:47:05 PM CST] #A1DC2A #N219NN #E75L #ENVOY #ENY3426 #MQ3426 #autopilot #ADSB #ADSBbot