New Delhi, Aug. 7 -- United Airlines faced major disruptions on Wednesday (August 6) after a technology issue forced a temporary ground stop at multiple US airports and caused widespread delays across its network. The issue has since been resolved, the airline confirmed, though residual delays are expected.

"While we expect residual delays, our team is working to restore our normal operations," United said in a statement late Wednesday.

The glitch prompted the US Federal Aviation Administration (FAA) to issue ground stops for United flights at several of its major hubs, including Newark, Denver, Houston, and Chicago.

According to United, the problem stemmed from its Unimatic system, which manages key flight information. This data feeds...