Delta cancels hundreds of flights due to global...

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Delta Air Lines canceled more than 450 flights worldwide Monday after a power outage took down computer systems at its Atlanta headquarters. Delta (NYSE: DAL) resumed limited departures about six hours after the airline ordered all departures to hold at their gates. Planes in the air at the time of the outage landed at their destinations without incident. Many of Delta’s more than 30 scheduled flights out of Baltimore/Washington International Thurgood Marshall Airport on Monday were delayed or…