Flying the aircraft was pilot John Ogonowski and first officer Thomas McGuinness . The flight attendants were Barbara Arestegui , Jeffrey Collman , Sara Low , Karen Martin , Kathleen Nicosia , Betty Ong , Jean Roger , Dianne Snyder and Madeline Sweeney . The 11 crew members included pilot John Ogonowski , First Officer Thomas McGuinness , and flight attendants Barbara Arestegui , Jeffrey Collman , Sara Low , Karen Martin , Kathleen Nicosia , Betty Ong , Jean Roger , Dianne Snyder , and Madeline Sweeney .