🇺🇸 N75851 - Boeing 757 324/W - United Airlines UAL1116/UA1116, Chicago O'Hare (ORD) to San Francisco (SFO) - 5.1 mi away @ 29650 ft, heading SW at 583 mph. Spotted 6x before. [08:34:31 AM CDT] #AA3AE2 #N75851 #B753 #UNITED #UAL1116 #UA1116 #ADSB #ADSBbot