UPDATE 4:43 p.m.: At this time, Pittsburgh International Airport is listing delays for at least 43 flights. Four flights have been canceled.
UPDATE 4:30 p.m.: US Secretary of Transportation Sean Duffy said the ground stop is happening because of a “communication issue impacting all Air Route Traffic Control Centers.”
Duffy added that technicians are investigating the issue.
The Federal Aviation Administration has ordered a nationwide ground stop on all departing flights.
According to reports from NBC News, the FAA says the order is happening because of “extraordinary circumstances and for reasons of safety.”
There are no further updates as to what those circumstances are.
Airports are asked to keep all flights grounded until further notice.
Channel 11 has reached out to the Pittsburgh International Airport for more information.
A Channel 11 crew is also heading to the airport. We will have LIVE reports from them on Channel 11 News at 5 p.m. and 6 p.m.
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