Article 
Air NZ delays flights as US grounds planes nationwide
Flight
Otago Daily Times Article
All US Flights Grounded Nationwide
Article 
Air NZ delays flights from US after communications issue grounds planes
Flight
1news Article
Article 
Hundreds of flights delayed at YVR after FAA grounds planes across the U.S.
Flight
Vancouver Sun Article
Article 
All flights grounded at US airports due to 'extraordinary circumstances'
Flights
Irish Examiner Article
Article 
All US flights grounded by authorities for ‘reasons of safety’
Flight
The Irish Times Article
Article 
Flights grounded across US as homeland security secretary says no indication of an attack
Flight
BBC News Article
Article
LIVE All US flights grounded because of ‘extraordinary circumstances’
The Telegraph Article
Article
Breaking All US flights grounded because of ‘extraordinary circumstances’
The Telegraph Article