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

🇺🇸 N850NN - Boeing 737NG 823/W - American Airlines AAL672/AA672, Dallas-Fort Worth (DFW) to Laguardia (LGA) - 4.9 mi away @ 39275 ft, heading NE at 551 mph. Spotted 44x before! [02:15:30 PM CDT] #ABA891 #N850NN #B738 #AMERICAN #AAL672 #AA672 #ADSB #ADSBbot