American Airlines resumes flights after brief grounding due to technical issue

American Airlines resumed operations early Tuesday after a brief grounding due to a technical issue. The Federal Aviation Administration ordered the halt at the airline's request, affecting flights across the U.S. The grounding began just before 7 a.m. Eastern time, impacting millions of holiday travelers. American Airlines acknowledged the issue on social media, asking for patience from frustrated customers. The airline has not provided a detailed explanation for the technical problem. The Transportation Security Administration anticipates screening 40 million passengers during the holiday season.