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Flights delayed across US after technical outage

Delays were reported in Chicago, New York, Boston, Atlanta, Miami and Detroit.

Flights At Boston Logan International Airport
Southwest was one of the airlines impacted by Monday's delays.
John Tlumacki/The Boston Globe via Getty Images

Computer problems are causing flight delays across the US Monday.

The Federal Aviation Administration said airports in Chicago, New York, Boston, Atlanta, Miami and Detroit suffered computer issues, the Associated Press reported.

There was an outage with a vendor that gives flight planning data to several carriers, Southwest Airlines told the AP. The news gathering service noted that some Delta flights were impacted too.

However, the FAA later tweeted that the issue has been resolved and travelers should contact their airlines to see if their flight will be delayed.

"Several airlines are experiencing issues with a non-FAA flight-planning weight and balance program called Aerodata," the FAA said in an emailed statement.

"Mainline operations and regional operations are affected to varying degrees. Airlines included Southwest (SWA), United (UAL), JetBlue (JBU), Alaska (ASA) and Delta (DAL)," it said.

Southwest issued a 40-minute internal ground stop as a result of the problem and anticipated "scattered flight delays," a spokesperson said via email. A ground stop slows or halts the flow of aircraft inbound to a given airport.

A Delta spokesperson added, via email, that "no cancellations are expected due to the issue and our teams are working to resolve some resulting delays." 

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Originally published April 1, 5:45 a.m. PT.
Update, 7:29 a.m. PT: Adds more details.
Update, 8:36 a.m. PT: Adds statements from Delta and Southwest.