
Late Tuesday turned into an unplanned layover for many Chicago travelers when flight operations into O'Hare International Airport were put on pause after the Federal Aviation Administration ordered a ground stop as thunderstorms rolled through the region. The hold kicked in around 10:20 p.m., leaving late‑night arrivals and connections in limbo and raising the prospect of ripple delays across the system. The pause was scheduled to run into the late evening and could be extended if the storms did not clear.
According to NBC Chicago, the FAA listed the ground stop through 11:45 p.m. and described the probability of an extension as "medium." NBC Chicago also reported there was no immediate additional information from airport officials as controllers focused on managing traffic around the storm line.
Severe thunderstorms light up radar
The National Weather Service's Chicago office had severe‑thunderstorm warnings in effect for northern DuPage and northern Cook counties into the late evening, calling for damaging wind gusts and heavy downpours that can make ramp and runway work unsafe. For the latest watches and advisories, see the NWS Chicago page.
Delays stack up as travelers wait it out
Flight tracking quickly showed the impact on schedules: FlightAware's live airport board listed average departure delays at O'Hare of roughly 1 hour 20 minutes and arrival delays near an hour during the storm window. As NBC Chicago noted, Midway Airport's operations were not impacted as of about 10:45 p.m., but travelers were urged to check airline apps for gate changes, rebooking options and weather waivers.
Spring keeps O'Hare on a short leash
Spring storms have repeatedly unsettled O'Hare operations in recent weeks, producing short ground stops and cascading delays across the hub. Earlier this month, pre-dawn thunderstorm drama froze departures, underscoring how lightning, heavy rain and gusty winds routinely force temporary FAA flow restrictions at the city's airports.
Passengers scheduled into O'Hare should check their airline's status tools before heading to the airport and keep an eye on weather updates as conditions evolve. We'll update this story if the FAA or airport posts new information.









