"There'll certainly be an impact to the fourth quarter," Chief Commercial Officer Ryan Green told reporters on a call on Thursday. While other U.S. airlines got back to their feet relatively quickly, Dallas-based Southwest is still limping back to normalcy. Employee unions say they have repeatedly warned Southwest management that the airline's technology systems badly needed upgrades. Flight attendants have been complaining about technological failures at the airline for years, according to Lyn Montgomery, president of the Southwest Airlines Flight Attendants Union, a local 556 of the Transport Workers Union. The comments echoed those of the Southwest Airlines Pilots Association, which said leadership had failed to adapt operations to address repeated systems failures, despite years of calls for improvements by the union.

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