🇺🇸 N849AN - BOEING 787-9 - AMERICAN AIRLINES INC AAL21/AA21, London Heathrow (LHR) to Dallas-Fort Worth (DFW) - 5.9 mi away @ 42200 ft, heading SW at 582 mph. Spotted once before. [12:00:55 PM CDT] #ABA155 #N849AN #B789 #AAL21 #AA21 #autopilot #ADSB #ADSBbot