Major US airlines coming back online after systemwide outages, delays are expected

U.S. airlines were briefly hit by systemwide computer outages on Monday related to problems with the Aerodata planning weight and balance program, the Federal Aviation Administration said.

The outage affected several airlines, including Southwest AirlinesDelta Air LinesAmerican AirlinesUnited Airlines and Alaska Air Group.

After reporting problems along with several major peers, however, Southwest said that technical issues had already been resolved and that systems would be back up soon. The airline said earlier that flights were delayed and planes that were taxiing had to return to their gates.

Delta Airlines, which reporting a system-wide outage earlier Monday, confirmed that data had become available and flights were operating normally, with no cancellations planned.

Earlier, carriers had reported problems through their social media accounts, with United Airlines saying it was unable to create paperwork as a result.

American Airlines said the outage was affecting regional carriers nationwide, but has announced that AeoroData problems were resolved. Alaska Air Group Inc also said on its social media account that it was experiencing a system-wide outage.

Southwest said in a statement that it has “lifted an internal ground stop implemented for about 40 minutes this morning during an outage with a vendor that services multiple carriers with data used in flight planning. Scattered flight delays are anticipated and Customers should check for the latest updates on specific flights. ”

Last week, several airlines reported problems after Sabre, a company airlines use for printing tickets and making reservations, had technical issues. Sabre said it was not responsible for software issues Monday.

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