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

🇺🇸 N845NN - Boeing 737NG 823/W - American Airlines AAL1253/AA1253, Detroit Metro Wayne County (DTW) to Dallas-Fort Worth (DFW) - 4.5 mi away @ 37625 ft, heading SW at 447 mph. Spotted 51x before! [12:19:17 PM CDT] #AB93A5 #N845NN #B738 #AMERICAN #AAL1253 #AA1253 #ADSB #ADSBbot