American Airlines experienced a brief IT outage on Tuesday evening, resulting in a nationwide ground stop. The issue impacted connectivity for some of the airline's systems. The ground stop was in place for less than an hour, and flights have since resumed.

The cause of the outage is not immediately clear, but the airline has apologized to customers for the inconvenience. Further details about the incident are available from the airline, which has stated that its systems are coming back online and flights are departing again.