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

🇺🇸 N841NN - Boeing 737NG 823/W - American Airlines AAL2140/AA2140 (CLT-MSP-CLT) - 4.6 mi away @ 38075 ft, heading NW at 505 mph. Spotted 51x before! [04:38:43 PM CDT] #AB84C9 #N841NN #B738 #AMERICAN #AAL2140 #AA2140 #ADSB #ADSBbot