DENVER — United Airlines flights are being held at their departures due to a technology issue, according to the airline.
In a statement, United said it is holding all mainline flights. The issue is not impacting United Express regional flights.
The airline said any flight that is already in the air will continue to its destination.
United is expecting "additional flight delays this evening as we work through this issue."
- Read the full statement from United Airlines below
"Due to a technology issue, we are holding United mainline flights at their departure airports. We expect additional flight delays this evening as we work through this issue. Safety is our top priority, and we’ll work with our customers to get them to their destinations."
In an update obtained through ABC News around 7:30 p.m., United said its systems are coming back online but travelers should expect delays "throughout the night."
Nationally, 827 flights have been delayed and 23 canceled, according to United. According to FlightAware, 115 United flights are currently delayed at Denver International Airport. Denver7's Zachary Levine was at DIA when the ground stop was issued and said passengers in Concourse B were "surprisingly calm."

In a statement, the Federal Aviation Administration (FAA) said it was aware of the situation and "offered full support to help address their flight backlog."
"We’re aware United experienced a technology issue disrupting their operations. Some delays may continue as they work through the recovery process.
We’ve offered full support to help address their flight backlog and remain in close contact with United."
Denver7 is working to learn more about the issue.
This is a developing story and will be updated.





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