Massive computer outage delays Delta flights around the world

CHICAGO -- A Delta Airlines ground stop has been lifted and limited departures resuming following a computer power outage in Atlanta that impacted the airlines computer systems.

The airline says it has canceled 427 flights due to the massive outage.

Delta customers headed to airports should expect delays and cancellations. A waiver is available for customers traveling on August 8 through August 12.

Confirmation of Monday's troubles came in an official account that responds to customers via Twitter.

"Delta has experienced a computer outage that has affected flights scheduled for this morning," the company tweeted to customers affected by delays. "Flights awaiting departure are currently delayed. Flights enroute are operating normally. We appreciate your patience."

Several applications were affected, including the company's website.