Travelers wait in line at a Transportation Security Administration (TSA) checkpoint at Hartsfield-Jackson Atlanta International Airport (ATL) in Atlanta, Georgia, US, on Monday, March 23, 2026. President Donald Trump said he's ready to deploy Immigration and Customs Enforcement agents to US airports as soon as Monday if congressional Democrats don't agree to a plan for funding parts of the Department of Homeland Security. Photographer: Elijah Nouvelage/Bloomberg via Getty Images