F.A.A. Ends Ground Stop
Flights can take off again from U.S. airports after the ground stop was lifted, but thousands of passengers remain stranded.

Live Updates: FAA Says Nationwide Ground Stop Is Over
Markwayne Mullin, the secretary of homeland security, and Transportation Secretary Sean Duffy are speaking at the White House. Mr. Mullin blamed a telecommunication outage earlier but said officials did not know its cause.






