Severe staffing shortages caused by a partial government shutdown are triggering multi-hour security delays at several US airports during the spring break travel season.Approximately 61,000 TSA employees are currently working without pay, leading to increased absenteeism as workers struggle with financial hardship.Lawmakers remain deadlocked over immigration funding, leaving the DHS without a budget to maintain normal operations.Aviation security has been further tested by unrelated incidents at various airports, though officials confirmed there are no credible threats to the public.