After a technical issue grounded all United Airlines flights on Wednesday evening, the airline is working to get back on ...

The issue began shortly after 6 pm ET and was fixed within a few hours. However, the impact was widespread. According to ...

The impacted system, called Unimatic, houses flight information that is fed to other systems including those that calculate ...

The ground stop has since been lifted. Long lines of travelers waited for their flights to get back on track Wednesday. A ...