🇺🇸 N953NN - Boeing 737NG 823/W - American Airlines AAL249/AA249, Chicago O'Hare (ORD) to Licenciado Benito Juarez (MEX) - 4.2 mi away @ 29750 ft, heading SSW at 496 mph. Spotted 45x before. [09:54:13 AM CDT] #AD4105 #N953NN #B738 #AMERICAN #AAL249 #AA249 #ADSB #ADSBbot