Alaska Airlines Resumes Operations After All Flights Grounded Due to IT Outage

Alaska Airlines restored service late on July 20 after a technical issue triggered a systemwide outage and forced a temporary ground stop for all Alaska Airlines and Horizon Air flights, the company said on Monday.

The disruption began around 8 p.m. Pacific Time on Sunday and lasted approximately three hours, according to a company statement posted to X. Operations resumed at 11 p.m. on Sunday as the ground stop was lifted.