How Long Will the Newark Liberty Ground Stop Last?
If you’re tracking a flight in or out of Newark Liberty today, here’s what’s actually known right now.
What triggered the ground stop
The FAA put a ground stop in place on the morning of September 21, 2026 after an equipment issue at the Philadelphia air traffic control facility. The agency said the problem involves some communication frequencies at the region’s air traffic control center. The stop affects flights headed to Philadelphia International, Newark Liberty International, and Teterboro, and it’s also delaying departures out of Newark, Philadelphia, and Teterboro.
The timeline so far
📅 The FAA initially set the ground stop to run until 11:45 a.m., with a possible extension.
At the time of reporting, the FAA had not said how long the underlying equipment issue would actually take to fix. That means the 11:45 a.m. window was a planned target, not a confirmed end time — and travelers going through Newark should expect the possibility of delays running past it.
What isn’t known yet
⚠️ There’s no confirmation yet on:
- Whether the ground stop was extended past 11:45 a.m.
- When the communication frequency issue will be fully resolved
- How long the delay backlog at Newark will take to clear even after the stop is lifted
What to do in the meantime
Check your airline’s app or website for your specific flight status, and keep an eye on the FAA’s own updates, since delays tied to ground stops like this can ripple through the rest of the day even after the original issue is fixed. This is a fast-moving situation, so treat any specific end time as subject to change until the FAA or your airline confirms it.
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