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

🇺🇸 N910NN - Boeing 737NG 823/W - American Airlines AAL3148/AA3148, Dallas-Fort Worth (DFW) to Detroit Metro Wayne County (DTW) - 3.8 mi away @ 31600 ft, heading NE at 647 mph. Spotted 46x before. [08:01:33 PM CDT] #AC97E4 #N910NN #B738 #AMERICAN #AAL3148 #AA3148 #ADSB #ADSBbot