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United Airlines Grounds Entire Fleet Nationwide After Major Computer Outage

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Boeing 787-10, 3 May 2023, 10:06:52, MarcelX42

August 7, 2025 — United Airlines was forced to ground all its flights across the United States on Wednesday evening due to a critical computer system failure that disrupted flight operations nationwide. The outage, which lasted several hours, left thousands of passengers stranded and led to more than 1,000 flight delays and dozens of cancellations.

National Ground Stop: What Happened?

The issue emerged just before nightfall on August 6 and triggered a rare nationwide ground stop, issued by the Federal Aviation Administration (FAA) at United's request. According to the company, a "technical problem" in its system prevented accurate calculation of an aircraft's weight and balance — essential data for safe takeoff.

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The problem was not caused by a cyberattack, the company clarified in a statement published by the Hindustan Times. Instead, United pointed to a deeper “underlying technical issue” that disabled one of its critical internal platforms.

Operations Resume — But Delays Continue

While the system was eventually restored by late Wednesday, the ripple effect continued into Thursday, August 7, especially at United’s major hubs including Chicago O’Hare, Newark, Denver, Houston, and San Francisco. The situation was widely reported by international and local media outlets such as TVA Nouvelles and The Guardian.

Despite the restoration of the core system, travel experts warn of further disruptions and residual delays in the coming days due to aircraft repositioning and scheduling complications.

United Airlines Issues Apology and Compensation

In a series of posts on TikTok via ABC7 Chicago and Reddit, frustrated passengers shared videos and updates from terminals and tarmacs, where many were held for hours without clear explanations. United responded publicly via social media, acknowledging the outage and apologizing for the inconvenience caused. The airline pledged to reimburse hotel and travel-related expenses for affected passengers in certain cases.

An example of United’s public messaging on X (formerly Twitter): “We’re aware of the system error and are working on a fix to get you on your way as soon as possible.”

Government Response and Internal Review

The FAA confirmed that it temporarily halted United flights nationwide for safety reasons while the airline addressed the issue. Once the system was deemed stable, the FAA lifted the ground stop. Meanwhile, United’s CEO has been in communication with the U.S. Secretary of Transportation to provide updates and coordinate the airline’s response.

Secret NYC and Fox Business both noted that the airline's lack of a backup system for such a critical component has drawn criticism from aviation analysts.

Broader Implications for the Airline Industry

This incident has sparked broader concerns about technological resilience in the airline sector. As more carriers rely on integrated digital systems for flight safety and scheduling, failures like this highlight the urgent need for robust backup protocols.

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