U.S. carrier Alaska Airlines grounded all of its flights after experiencing an IT outage on Sunday that impacted its systems, the company said, without specifying the nature of the outage.

Alaska Airlines grounded all flights nationwide on Sunday evening due to an IT outage. The Seattle-based airline didn’t provide additional details about the outage in a statement on X. The outage began around 8 p.

Alaska Airlines said it has requested a ground stop for its fleet as well as for that of regional subsidiary Horizon Air amid a computer system outage Sunday night