Nine United Airlines aircraft are reported missing. Andrew Studdert, United Airlines’ chief operating officer, will tell the 9/11 Commission that between 10:55 a.m. and 11:15 a.m., United Airlines Flights 57, 103, 634, 1211, 1695, 2101, 2102, 2256, and 2725 are reported as missing. All nine aircraft are eventually located at various airports. [9/11 Commission, 1/27/2004] One of them, Flight 57, is later reported as having landed at Garden City Regional Airport in Kansas. [9/11 Commission, 2004]