Alaska Airlines flights have been grounded after the carrier suffered its second nationwide outage since July

Alaska Airlines grounded all its flights nationwide after a technology outage Thursday evening — the second time in nearly three months.

The airline announced a “temporary” ground stop due to the issue and advised customers to check the status of their flights before heading out the door.

“Alaska Airlines is experiencing an IT outage impacting operations. There is a temporary ground grounding.” The carrier said in a statement. “We apologize for the inconvenience. If you are scheduled to fly tonight, please check your flight status before heading to the airport.”

It’s not clear what caused the outage, but a similar IT issue led to Alaska Airlines grounding all flights For about three hours in July.

This is a developing story. Please check back for updates.