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

🇺🇸 N829NN - Boeing 737NG 823/W - American Airlines AAL680/AA680, Dallas-Fort Worth (DFW) to Pittsburgh (PIT) - 4.9 mi away @ 40775 ft, heading NE at 579 mph. Spotted 36x before! [08:14:07 PM CDT] #AB5383 #N829NN #B738 #AMERICAN #AAL680 #AA680 #ADSB #ADSBbot