India, Aug. 7 -- A system-wide outage at United Airlines has prompted a ground stop on all flights bound for several of its major hubs, including Chicago, Denver, Newark, Houston, and San Francisco, according to the Federal Aviation Administration (FAA).

The outage has caused widespread disruptions, with numerous delays reported at airports across the United States. While United Airlines has not released an official statement detailing the cause of the outage or a timeline for resolution, the airline has acknowledged the issue in replies to customers on social media.

"Hi there. Thank you for reaching out. We're aware of the system error at this time and are working on a fix to have you on your way as soon as possible. We understand that...