Delta aircraft at Los Angeles airport. Delta emerged a key battleground for Boeing in its bid to deny Bombardier a ‘launch’ customer in the ‘regional’ jet market. Image Credit: Bloomberg

Delta Air Lines Inc said it grounded US flights that had not yet taken off to address a technology issue impacting some of its systems.

"There has been no disruption or safety issue with any Delta flight currently in the air," the company said adding, that its IT teams were working to address the issue.