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

🇺🇸 N904NN - Boeing 737NG 823/W - American Airlines AAL667/AA667, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.4 mi away @ 36650 ft, heading SW at 450 mph. Spotted 58x before. [01:03:22 AM CST] #AC7F41 #N904NN #B738 #AMERICAN #AAL667 #AA667 #ADSB #ADSBbot