Air traffic controllers in Philadelphia were guiding planes to Newark Liberty International Airport in New Jersey last week when communications suddenly crashed. “Approach, are you there?” one pilot asked the controller.

Passenger carriers are still facing disruptions at New Jersey's Newark Liberty International Airport. Last week, there was a technology outage impacting ATC's ability to direct planes.

For a week and counting, flying in and out of Newark Airport has inflicted misery on travelers. The cancellations and  delays have been caused by a cascade of infrastructure failures and staffing