🇺🇸 N939NN - Boeing 737NG 823/W - American Airlines AAL2497/AA2497, Charlotte/Douglas (CLT) to St Louis Lambert (STL) - 3.7 mi away @ 4825 ft, heading NW at 204 mph. Spotted 60x before. [09:09:28 AM CDT] #AD0851 #N939NN #B738 #AMERICAN #AAL2497 #AA2497 #Landing #Arrival #ADSB #ADSBbot