What happened to US airlines today? Over 15,000 flights cancelled after longest nationwide ground stop in 25 years

On November 14, a telecommunications failure caused the cancellation of over 2,000 flights across the United States, leading to the most extensive nationwide ground stop in a quarter-century. This event affected more than 15,000 flights, leaving many passengers stranded with long delays. Those impacted are eligible for refunds according to regulations from the US Department of Transportation.