🇺🇸 N17244 - Boeing 737NG 824/W - United Airlines UAL2156/UA2156, Washington Dulles (IAD) to Harry Reid (LAS) - 7.3 mi away @ 38000 ft, heading W at 464 mph. Spotted 21x before. [02:06:44 PM CDT] #A1239C #N17244 #B738 #UNITED #UAL2156 #UA2156 #ADSB #ADSBbot