Article 
Passengers face airport delays as US flights resume after nationwide ground stop
Flight
BBC News Article
Nationwide US Flight Ground Stop
Article 
US aviation agency lifts nationwide ground stop affecting all air travel
Ground
The Guardian Article
Article 
FAA lifts nationwide ground stop as airport chaos continues
Ground
The Guardian Article
Article
LIVE US flights restart after nationwide ground stop
The Telegraph Article
Article 
FAA lifts nationwide ground stop; Trump officials suggest new tech overwhelmed old equipment
Aviation
The Guardian Article