US air traffic system failure triggers mass cancellations; FAA expects full restoration by Sunday

A technical failure linked to a wiring change caused the most extensive air traffic disruption in 25 years, leading to thousands of flight cancellations across the US and affecting international flights. The FAA expects full restoration by Sunday, but the root cause and potential systemic vulnerabilities remain under investigation. This incident highlights fragility in critical aviation infrastructure and could prompt regulatory scrutiny.

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