UPDATE 12:40 p.m.: United Airlines flights have resumed after being grounded for upwards of an hour Wednesday morning, CNN reported. Delays worldwide are expected to persist because of the computer problem.
United Airlines grounded all domestic and international flights Wednesday morning because of a major computer glitch, NBC News reports.
According to the Federal Aviation Administration (FAA), the airline's computer system fell victim to "automation issues" that are currently causing significant delays at airports worldwide.
"We experienced a network connectivity issue this morning," United said in a statement just after 9 A.M. "We are working to resolve this and apologize to our customers for any inconvenience."
There are 3,500 flights around the world affected by the glitch, and delays could affect 235 domestic and 138 international destinations.