Delta Airlines has grounded all of its flights this morning.

"Delta has experienced a computer outage that has affected flights scheduled for this morning. Flights awaiting departure are currently delayed. Flights enroute are operating normally. Delta is advising travelers to check the status of their flights this morning while the issue is being addressed," read a statement from the airline.

Word of the grounding was first acknowledged in tweets to customers.

"All flights are grounded due to a system outage nationwide" wrote the airline in response to a tweet from a customer.

No further details were offered about the problem.

Customers report long lines at airports around the world.


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