United Airlines resolves tech problem that hit more than 1,000 flights, but residual delays likely
Briefly

On Wednesday, approximately 35% of United Airlines' flights were delayed and 7% canceled due to a disruption in the Unimatic system, which is vital for flight information management. Although the issue was resolved by late Wednesday, delays persisted into Thursday. By late Thursday morning, 9% of flights were delayed, and 5% were canceled, particularly affecting major hubs like Chicago O'Hare. A travel alert indicated ongoing impacts to several U.S. airports and some international locations, but United Airlines prioritized safety and restoring normal operations.
About 35% of all United Airlines' flights were delayed and 7% were canceled Wednesday, following a disruption in the Unimatic system, which houses critical flight information.
The disruption to the Unimatic system affected over 1,000 flights but was resolved late Wednesday, resulting in residual delays continuing into Thursday.
United Airlines reported that by late Thursday morning, 9% of flights were still delayed and 5% were canceled, with many flights impacted at major airports.
The airline communicated via email that safety is their top priority while working to restore normal operations and assist affected customers.
Read at Boston.com
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