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

🇺🇸 N907NN - Boeing 737NG 823/W - American Airlines AAL354/AA354, Tampa (TPA) to Chicago O'Hare (ORD) - 4.2 mi away @ 34825 ft, heading NNE at 604 mph. Spotted 23x before! [08:56:03 AM CDT] #AC8A66 #N907NN #B738 #AMERICAN #AAL354 #AA354 #ADSB #ADSBbot