The ground delay, which is separate from the outage, is related to "low ceilings" for departures, tied to poor weather conditions.

Passengers traveling in and out of Newark at the end of the week shouldn’t expect smooth sailing. Here’s the latest at the New Jersey airport.

There was a telecommunications outage that impacted communications and radar display at Philadelphia TRACON Area C, which guides aircraft in and out of Newark Liberty International Airport airspace. The outage occurred around 3:55 a.m. on Friday, May 9, and lasted approximately 90 seconds.