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

🇺🇸 N951NN - Boeing 737NG 823/W - American Airlines AAL3316/AA3316, Indianapolis (IND) to Phoenix Sky Harbor (PHX) - 4.2 mi away @ 37900 ft, heading WSW at 496 mph. Spotted 44x before! [06:00:46 AM CDT] #AD3997 #N951NN #B738 #AMERICAN #AAL3316 #AA3316 #ADSB #ADSBbot