All US flights grounded due to communication issues: homeland security head

On Friday, all US flights were grounded due to a major communications breakdown at the regional air traffic control centers, prompting the FAA to halt operations for safety reasons. The FAA described the situation as an extraordinary circumstance and the grounding was expected to last until at least 11pm Eastern time. This unexpected disruption underscores the critical role of communication systems in maintaining national air travel safety and highlights potential vulnerabilities in the aviation infrastructure. The incident likely caused significant delays and frustration for countless travelers nationwide.