Southwest Airlines flights are mostly back up and running after a technical problem caused delays.

Closing Bell

Southwest Resumes Operations After Technical Outage

Southwest. These flights mostly back up and running this afternoon after a technical problem this morning led to thousands of flight delays across the country. Nearly 1900 flights is still delayed and the airline briefly pausing departures as it sorted out the issue. Southwest share is down about 8/10 of a percent Southwest. In a statement to chatter news blaming the outage on data connection issues with the vendor resulting from a firewall failure. Southwest is asking customers to check its website for updated flight information and you might remember Southwest saw tens of thousands of flight cancellations in the heart of the winter holiday season this past year affecting about two million passengers. It was just between Christmas Day and New Year's Day, luggage passengers all stranded. It was just a mess.