United Airlines Grounds Entire Fleet After Cyber Security Incident Triggers Emergency Protocols
CHICAGO, IL — In an unprecedented move, United Airlines has grounded its entire fleet of over 1,400 aircraft following a major cyber security incident that compromised critical flight control systems. The Federal Aviation Administration confirmed the incident began at 3:47 AM Central Standard Time, when airline security detected unauthorized access to its navigation and scheduling databases. Authorities have initiated a national safety stand-down, affecting more than 400 domestic and international routes. Preliminary investigations suggest a sophisticated ransomware attack targeting the airline’s internal communication networks. No injuries or accidents have been reported, but passengers at major hubs including O’Hare and Newark are experiencing indefinite delays. The FBI’s Cyber Division and the Department of Homeland Security are leading the response, with a full system reboot expected to take at least 48 hours. The airline faces a potential loss of billions in revenue and a steep reputational crisis amid peak holiday travel season. Investigations are ongoing.