Delta struggles to resume flights after power-system failure

The disarray at Delta marked the second time in less than a month that a system failure forced mass flight cancellations at a large U.S. carrier. (AP Photo/Ted S. Warren)

(Bloomberg) – Delta Air Lines Inc. struggled to restart its worldwide operations after a computer failure halted flights for hours and grounded thousands of passengers.

About 365 flights were scrapped and delays and cancellations will continue even as systems come back online, the second-biggest U.S. carrier said Monday on Twitter. A power outage at Delta’s Atlanta base beginning at 2:38 a.m. local time interrupted computer operations, according to the airline.