🇺🇸 N64321 - AIRBUS S A S A321-271NY - United Airlines UAL1930/UA1930, Washington Dulles (IAD) to San Diego (SAN) - 4.4 mi away @ 35475 ft, heading W at 520 mph. Spotted once before. [09:42:29 AM CDT] #A87318 #N64321 #A21N #UNITED #UAL1930 #UA1930 #ADSB #ADSBbot