After requesting a nationwide ground stop of all its flights around 8 p.m. PT on July 20th, Alaska Airlines resumed operations around 11 p.m. PT.
Alaska Airlines experienced an IT outage that impacted its operations and requested a temporary, system-wide ground stop for Alaska and Horizon Air flights until the issue was resolved. The airlines stated there will be residual impacts as it will take some time to get overall operations back to normal.
Cain is available to support travelers impacted by this event.