All Delta Air Lines flights were reportedly grounded for at least six hours as a result of a global computer system outage, causing large-scale cancellations and stranding hundreds of thousands of passengers. According to reports, At 8:40 a.m. ET, Delta said the ground stop had been lifted but that only “limited” departures had resumed. It’s expected that flights will be delayed and canceled throughout the day.

Excerpt From CNN:
“Customers heading to the airport should expect delays and cancellations,” Delta warned. At New York’s LaGuarida Airport, the flight information boards showed delays of several hours, and the line at customer service was about five minutes long.Delta (DAL), the world’s second largest airline, said the problem was a power outage at its Atlanta hub.