“In the fall, when a shutdown dragged on for a record 43 days, disruptions were minimal at first but grew as time went on, with more absences by air traffic controllers and T.S.A. agents.”

DHS Shutdown Nears as Immigration Enforcement Talks Stall

“But the longer the standoff lasts, the more travelers and others could feel its effects.”

The DHS Shutdown Could Affect ICE, Travelers, FEMA and More

“Not to mention that it is not great optics for members of Congress to race for international flights as Transportation Security Administration workers are among those likely to work without pay if the shutdown — the third in a matter of months — drags on.”

Congress Leaves DC as DHS Shuts Down

“...beginning a shutdown that was not expected to bring most of the department’s work to a halt yet could disrupt travelers, immigration enforcement and disaster relief if it is prolonged.”

Department of Homeland Security Shuts Down, Though Essential Work Continues

“But the longer the standoff lasts, the more travelers and others could feel its effects.”

What to Know About the Homeland Security Shutdown