🇺🇸 N309UL - BOEING 737 MAX 8 - AMERICAN AIRLINES INC AAL2451/AA2451, Chicago O'Hare (ORD) to Dallas-Fort Worth (DFW) - 4.3 mi away @ 33575 ft, heading SW at 538 mph. Spotted 4x before. [03:57:12 PM CDT] #A3428E #N309UL #B38M #AAL2451 #AA2451 #ADSB #ADSBbot