Alaska Airlines on Sunday, July 20 grounded all of its flights over a tech issue, but resumed its flights shortly after in the early hours of July 21, 2025.

Alaska Airlines (ALK.N) said it has canceled 7% of its flights Monday in the aftermath of a ground stop late Sunday prompted by the unexpected failure of a critical piece of hardware at its data cente...

“We apologize to our guests for this inconvenience. There will be residual impacts to our operation throughout the evening,” it said in its statement.