How to learn about O'Hare has a ground stop today
A ground stop at O'Hare means the FAA has ordered all flights to stop departing until conditions improve — usually because of severe weather, runway damage, or air traffic backup. You cannot call O'Hare directly and get a real-time answer; instead, you need to check the FAA's own tracking system or your airline's flight status page, both of which update every few minutes.
The fastest way is to visit faa.gov/air_traffic/publications/notices and look for "Ground Stops" in the left menu. This page lists every active ground stop in the United States right now, with the reason and expected duration. If O'Hare appears there, you will see exactly why flights are stopped and when the FAA expects to lift it.
If you have a flight booked, your airline's app or website will also show the ground stop in your flight status — usually with a note like "Delayed due to ground stop at destination" or "Waiting for ground stop to clear." This is often faster than the FAA page if you are already logged in.
Key Takeaways
- The FAA's ground stop page at faa.gov/air_traffic/publications/notices shows every active ground stop in real time, including the reason and expected end time.
- Your airline's app or website will flag your specific flight if a ground stop affects it, usually within minutes of the FAA order.
- Ground stops typically last 30 minutes to a few hours, but severe weather can extend them; the FAA updates the expected duration as conditions change.
- If your flight is delayed by a ground stop, your airline must rebook you on the next available flight at no extra cost once the stop lifts.
What causes a ground stop at O'Hare
The most common reason is severe weather — thunderstorms, heavy snow, or low visibility that makes it unsafe for planes to take off or land. The FAA stops departures to prevent a backup of planes already in the air waiting to land, which would burn fuel and create a safety risk.
Less often, a ground stop happens because of runway damage, a disabled aircraft blocking a runway, or extreme air traffic congestion at the destination airport. O'Hare itself rarely triggers a ground stop; more often, a ground stop at another major airport (like Atlanta or Dallas) backs up traffic so much that O'Hare has to stop departures to prevent gridlock.
Once the weather clears or the runway reopens, the FAA lifts the ground stop and flights resume in the order they were originally scheduled. This can take anywhere from 15 minutes to several hours depending on how long it takes to clear the backlog.
Checking your specific flight during a ground stop
Go to your airline's website or app and search for your confirmation number or flight number. The status will show "Delayed" and usually include a reason like "Ground stop at O'Hare" or "Waiting for weather to clear." Do not rely on the original departure time — airlines update the new estimated time as the ground stop progresses.
If the ground stop is expected to last more than a couple of hours, your airline may offer to rebook you on a flight the next day or to a nearby airport. You can also call the airline directly to ask about alternatives, though wait times are usually long during widespread delays.
Keep in mind that a ground stop at O'Hare does not always mean your flight is cancelled — it means your flight cannot depart until the stop lifts. Once it does, your flight will push back, though it may be hours behind schedule.
What to do if your flight is stuck in a ground stop
If you are already at the airport, stay near your gate and keep your phone charged. Airlines announce rebooking options and gate changes over the loudspeaker, but you may miss it in a crowded terminal. Check your airline's app every 15 to 20 minutes for updates.
If you have not left home yet, do not go to the airport until your airline confirms the ground stop has lifted and your flight has a new departure time. Arriving early will only mean sitting in the terminal longer.
If the ground stop lasts long enough that your flight is cancelled, your airline must rebook you on the next available flight to your destination at no cost, or refund your ticket if you prefer. You are not may have access to to a hotel or meal voucher for a weather-related delay, though some airlines offer them as a courtesy.
Ground stops versus delays and cancellations
A ground stop is an FAA order that prevents all departures; your flight is delayed but not cancelled. A delay means your flight will depart, just later than scheduled. A cancellation means your flight will not operate at all that day.
During a ground stop, your flight status will say "Delayed" until the stop lifts, at which point your airline will give you a new departure time. If the ground stop lasts so long that your airline decides it is not worth operating the flight that day, they will cancel it and rebook you.
The distinction matters because a delay does not automatically may have access to you to compensation, but a cancellation does — depending on the reason and your airline's policy. A weather-related ground stop is usually not grounds for compensation, but a cancellation caused by the airline's own staffing or maintenance issues may be.
Tools to monitor O'Hare ground stops
FlightAware.com and FlightRadar24.com both show real-time flight tracking and will alert you if your flight is affected by a ground stop. You can set up notifications for your specific flight, and they update faster than most airline apps.
The FAA's Twitter account (@FAANews) posts major ground stops and weather alerts, though it is not as detailed as the official ground stop page. If you want the most current information, the FAA's ground stop page is always the source of truth.
Your airline's customer service phone line will also tell you about a ground stop, but hold times are often 30 minutes or longer during widespread delays. The app or website is usually faster.
Frequently Asked Questions
How long do ground stops usually last?
Most ground stops last 30 minutes to two hours, depending on how fast the weather clears or the problem is fixed. Severe thunderstorms can extend a ground stop to four or five hours. The FAA updates the expected duration every 15 to 30 minutes on its ground stop page.
Can I get a refund if my flight is delayed by a ground stop?
No — weather-related delays and ground stops are considered acts of nature, and airlines are not required to refund tickets. You can rebook on another flight at no cost, or request a refund and cancel the trip. Some airlines offer meal or hotel vouchers as a courtesy, but it is not may provide.
Will my flight be cancelled if the ground stop lasts all day?
If a ground stop lasts long enough that your airline decides the flight is not worth operating, they will cancel it and rebook you on the next available flight, usually the next day. You will see the cancellation on your airline's app or website, and the airline will contact you with rebooking options.
What if I am already on the plane when a ground stop is announced?
If you are already pushed back from the gate, you may sit on the tarmac waiting for the ground stop to lift. If you are still at the gate, the airline will hold you there. Either way, you will not take off until the FAA lifts the ground stop. The crew will update you on the delay every 15 to 30 minutes.
Does a ground stop at O'Hare affect flights arriving there?
No — a ground stop only stops departures. Planes can still land at O'Hare during a ground stop, though they may be delayed if they are circling and waiting for a gate. A ground stop at the destination airport (where your flight is heading) can delay your departure, but that is a different order.