🇺🇸 N969NN - Boeing 737NG 823/W - American Airlines AAL811/AA811, Denver (DEN) to Philadelphia (PHL) - 4.7 mi away @ 36925 ft, heading E at 534 mph. Spotted 56x before. [01:19:33 PM CDT] #AD7ECE #N969NN #B738 #AMERICAN #AAL811 #AA811 #ADSB #ADSBbot