When I had to catch a flight at Hartsfield-Jackson Atlanta International Airport on Tuesday morning, the airport’s official website said getting through the main security line would take nearly two hours.

The Department of Homeland Security denied reports that it had suspended TSA PreCheck and Global Entry services starting Sunday due to government shutdown.

Amid long waiting lines at airports, some travelers say they’re avoiding the worst delays by using TSA PreCheck Touchless ID. Airports continue to struggle with longer security lines during the partial government shutdown,