Mass TSA Resignations and High Absenteeism Disrupt US Airports Amid DHS Shutdown

More than 450 Transportation Security Administration (TSA) agents have resigned since the partial shutdown of the Department of Homeland Security began on March 15, 2026. The funding lapse has left agents unpaid, forcing many to leave their posts as they struggle to afford basic expenses like rent and fuel. Sick callout rates have surged to record highs, reaching 40.3% at Houston's William P. Hobby Airport and 37.4% at Atlanta’s main hub, causing severe travel disruptions. To mitigate these operational challenges, the administration plans to deploy hundreds of ICE officers to reinforce security checkpoints at affected airports. These disruptions pose a direct threat to the efficiency of the U.S. aviation sector and overall passenger throughput. Investors are closely monitoring the situation as it weighs on major airline stocks, including Delta Air Lines (DAL) and United Airlines (UAL).

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