The Federal Aviation Administration (FAA) imposed a ground stop on all flights arriving at Chicago O’Hare International Airport on the evening of August 21, 2026. The halt was effective through 6:30 p.m., preventing inbound flights from departing their origin airports to manage air traffic amid approaching severe storms.
Departing flights from O’Hare experienced an average delay of 45 minutes as a result of the ground stop. The FAA planned to shift from this ground stop to a Ground Delay Program once conditions permitted. Weather-related delays triggered congestion on taxiways and at gates, further compounding operational challenges at the airport.
Severe Storm Conditions Prompt FAA Action
Severe
thunderstorm warnings were active for certain counties in the Chicago area, with a wider severe thunderstorm watch covering much of the region. These weather conditions necessitated the FAA’s decision to issue the ground stop to maintain safety on arrival routes. Later in the evening, the ground stop was lifted as storm conditions eased, allowing flights to resume normal operations.
