'Limited' Delta flights resuming after worldwide system outage

Delta Air Lines says "limited departures" are resuming after a power outage knocked out its computers systems and operations in Montreal and around the world.

But the airline told its customers to expect delays and cancellations tocontinue as itworks through its problems.

Several flights were delayed at Montreal's PierreElliottTrudeauInternational Airport this morning.

Delta said the computer crash wascaused bya power outage in Atlanta, where the company is headquartered, early Monday morning.

Delta said customers whose flight had beencancelled or "significantly delayed" areentitled to a refund.

Deltais one of the world's biggest airlines, with more than 5,000 flights daily to six continents.