Twenty airports across the United States use private companies to carry out security screenings—and have therefore avoided the long lines seen at other airports across the county amid the ongoing partial government shutdown.

Long Beach was among U.S. airports hit hardest by staffing shortages this weekend. More than 21% of TSA agents did not report for work on Saturday, according to airport officials.

More than 400 Transportation Security Administration workers have quit since a partial government shutdown began on Feb. 14 that has left them working without pay, the Department of Homeland Security

Passengers stretched into the parking lot amid delays Sunday at Louis Armstrong International Airport, causing frustration and many passengers to miss flights.

Travelers in Houston face long security lines at airports due to a staffing shortage among TSA officers amid the DHS shutdown, federal officials report.

Flight chaos returned to California on Sunday as huge lines formed at TSA checkpoints amid a spiraling funding crisis. Passengers were stuck in two-hour waits at San Diego International Airport as the 40-day Homeland Security shutdown wreaked havoc across the country.

Just as many travelers face long, winding security lines across the US during the partial government shutdown, many may not realize the complicated path money takes to reach Transportation Security Administration officers’ paychecks.

For a third Sunday, TSA lines at Louis Armstrong New Orleans International Airport stretch into the parking garage, as partial government shutdown blocks pay.