Delta Air Lines Pilots To Picket Over Contract Negotiations

Delta planes are parked at gates at Atlanta’s Hartsfield International Airport in Atlanta, Monday, Aug. 8, 2016, as Delta Air Lines grounded all flights after after a power outage hit its computer systems globally. (AP Photo/Branden Camp)

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This story was updated at 4:03 p.m.  

Some pilots for Delta Air Lines will be grounded Thursday morning.