🇺🇸 N77579 - Boeing 737MAX 9 - United Airlines UAL1061/UA1061, Chicago O'Hare (ORD) to Austin-Bergstrom (AUS) - 4.6 mi away @ 35900 ft, heading SW at 500 mph. Spotted 9x before. [11:55:25 AM CDT] #AA7F09 #N77579 #B39M #UNITED #UAL1061 #UA1061 #ADSB #ADSBbot