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

🇺🇸 N997NN - BOEING 737-823 - American Airlines AAL920R/AA920R (ORD-TPA-ORD) - 4.9 mi away @ 37900 ft, heading NNE at 527 mph. Spotted 40x before! [03:32:12 PM CDT] #ADEDDD #N997NN #B738 #AMERICAN #AAL920R #AA920R #ADSB #ADSBbot