🇺🇸 N47524 - Boeing 737MAX 9 - United Airlines UAL1399/UA1399, Newark Liberty (EWR) to Kansas City (MCI) - 5.1 mi away @ 40475 ft, heading WSW at 505 mph. Spotted 10x before. [10:42:01 PM CDT] #A5D668 #N47524 #B39M #UNITED #UAL1399 #UA1399 #ADSB #ADSBbot