Alaska Airlines Flights Resume After IT Outage. What to Do if You Were Affected

Alaska Airlines paused its operations for several hours, late on July 20. This was due to what the company called, "a significant IT outage" affecting its operations.

About 3 hours later, flights resumed and the company posted on X: "Alaska Airlines has resolved its earlier IT outage and has resumed operations. We sincerely apologize for the inconvenience, and encourage guests to check your flight status before heading to the airport."

The delays affected Alaska Air and Horizon Air flights at airports including Seattle-Tacoma International Airport, where about 49 flights were canceled and 43 were delayed as of the moving of July 21, according to a local report.

In an email to CNET, Alaska Air gave more details about what caused the outage on Sunday. "A critical piece of multi-redundant hardware at our data ...