Major U.S. airports, including Reagan National, Newark and LaGuardia face ground stops or delays due to air traffic controller staffing shortages during the government shutdown.

A ground stop was issued at Chicago O'Hare Airport due to an equipment outage late Saturday morning, the Federal Aviation Administration's website said.

A ground stop delayed flights for a few hours at Chicago’s O’Hare International Airport on Saturday because of an equipment outage.

A ground stop was in effect at Hobby Airport due to staffing issues, according to the FAA. According to the alert, the ground stop was in effect until 5:45 p.m. HOUSTON - A ground stop was in effect at Hobby Airport Tuesday due to staffing issues, according to the FAA. According to the alert, the ground stop was in effect until 5:45 p.m.

The FAA issued a ground stop until 5:45 p.m., for flights departing to Hobby Airport. We contacted Hobby officials, who confirmed to KHOU 11 that the reason was staffing. Bush Airport is also listed on the FAA’s website, with a ground stop possible. We've reached out to Bush for the reason.

Staffing shortages related to air traffic controllers have prompted multiple ground stops this week at Houston's two major airports.

A ground stop was issued at O'Hare Airport on Saturday morning. According to airport officials, departures are grounded due to an "equipment outage." Departures are expected to resume at 12:15 p.m., according to an alert.

A ground stop for flights at San Diego International Airport was initiated Tuesday morning due to foggy conditions.