Alaska Airlines announced it has restored operations after a technology outage caused the cancellation of more than 229 flights across all airports. The airline’s shares fell nearly 5% in early trading. The outage led to a temporary ground stop affecting Horizon Air as well. The halt was lifted at 11:30 p.m. local time on Friday. Alaska Air Group is still assessing the financial impact of the disruption on its fourth-quarter results. The airline did not disclose the cause of the outage and is working to resolve customer booking glitches and app issues. This is not the first time Alaska Airlines has faced operational challenges due to IT outages.

Read more at Yahoo Finance: Alaska Airlines restores operations after tech outage grounds flights