🇺🇸 N966NN - Boeing 737NG 823/W - American Airlines AAL3187/AA3187, Charleston Afb/International (CHS) to Chicago O'Hare (ORD) - 5.5 mi away @ 37325 ft, heading N at 521 mph. Spotted 63x before. [08:16:10 AM CDT] #AD73A9 #N966NN #B738 #AMERICAN #AAL3187 #AA3187 #ADSB #ADSBbot