American Airlines has grounded all flights nationwide prompting the FAA to issue a ground stop.
American Airlines said a “technical issue” is delaying all of its flights in the United States during one of the busiest travel periods of the year.
The halt, effective from 11:50 to 13:30 UTC, affects all departure airports, with possible extensions expected.
“A technical issue is affecting American flights this morning,” an airline spokesperson said. “Our teams are working to resolve the issue as quickly as possible, and we apologize to our customers for the inconvenience.”
The Federal Aviation Administration posted a nationwide groundstop order for all American flights, according to an advisory notice.
The FAA in a statement said American Airlines requested a nationwide ground stop.
There were 1,447 delays for flights entering or leaving the U.S. early in the day, with 28 cancellations.
UPDATE
American Airlines has lifted an hour-long ground stop.