O'Hare and Midway are among the 40 airports that will have reduced capacity by the FAA. Passengers ABC7 spoke with Thursday morning said they aren't feeling too optimistic about federal lawmakers being able to hash out a deal before the weekend.

As the FAA begins grounding flights due to the government shutdown, workers who maintain the nation’s critical aviation systems say if they’re not paid soon, they may be forced to leave—potentially gridlocking U.

Secretary Duffy said there will be a 10% reduction in capacity at 40 locations across the country as staffing shortages strain the FAA amid the longest government shutdown in history.