Berlin, Dhu-AlQa'dah 05, 1437, August 08, 2016, SPA -- All Delta Air Lines flights are grounded due to a system outage, according to Delta Air Lines on its Twitter account Monday, dpa reported. "Unfortunately all flights are grounded due to a system outage nationwide," Delta reported, without specifying what nations are affected. "We're currently experiencing system issues and working to resolve it as soon as possible," the airline added. --SPA 13:20 LOCAL TIME 10:20 GMT www.spa.gov.sa/w