TSA workers are impacted by the government shutdown and the agency is dealing with staffing constraints, including at PHL.

It could be another slow go at airport security checkpoints this weekend as the partial federal government shutdown hits the one-month mark.

The Terminal C checkpoint for PreCheck passengers is shut down until further notice. All other checkpoints remain open, with wait times running up to 20 minutes on Thursday morning.

After hundreds of Transportation Security Administration workers across the county have quit following a Department of Homeland Security shutdown that began last month, the Philadelphia International Airport has closed the security checkpoint in Terminal C due to a shortage of workers.

Agents will miss their first full paycheck this week, and union officials say they expect resignations to start increasing if there's no resolution.