United Airlines on Friday was hit with a systemwide outage that impacted the boarding process for some passengers and led to a ground stop for flights in the U.S. and Canada.

"This morning we experienced technical system issues that impacted our operations and have since been resolved," United said in a statement to FOX Business.

The carrier confirmed that all of its systems are working normally and that it is "working diligently to get customers to their destinations."

United implemented a nationwide ground stop in the U.S. and Canada around 6:45 a.m. ET that was lifted after 45 minutes.... Read More: FOX Business