🇺🇸 N847NN - Boeing 737NG 823/W - American Airlines AAL3115/AA3115, Chicago O'Hare (ORD) to San Francisco (SFO) - 4.0 mi away @ 29675 ft, heading SW at 511 mph. Spotted 71x before. [09:36:50 AM CDT] #AB9B13 #N847NN #B738 #AMERICAN #AAL3115 #AA3115 #ADSB #ADSBbot