<ul><li>American Airlines grounds all flights across the US due to technical glitch on Christmas Eve, one of the busiest travel days.</li><li>The airline is actively working on a resolution, but there is no estimated timeframe for a fix.</li><li>Some online postings suggest a software outage preventing the airline from calculating weight and balance requirements for its flights.</li><li>The Federal Aviation Administration confirms that American Airlines has grounded all flights nationwide.</li></ul>

American Airlines Grounds US Flights Amid Technical Glitch

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