NBC Nightly News with Tom Llamas Wednesday, March 18, 2026
Mar 19, 2026
Keir Simmons, reporting from Saudi Arabia on intense strikes and airport disruptions. Tom Costello, covering homeland security and long TSA lines amid a fraught confirmation hearing. Gabe Gutierrez, at the White House with updates on U.S. military actions and intelligence around the Iran conflict. They discuss regional escalation, travel chaos, and military responses in multiple concise reports.
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Get To The Airport Three Hours Early
- Travelers should arrive much earlier as TSA lines lengthen during the Homeland Security funding standoff.
- Tom Costello warns of hours-long lines in Miami, Atlanta and LaGuardia and recommends getting to the airport three hours early.
Shutdown Threatens Airport Operations
- The partial government shutdown is reducing homeland security staffing and could force airport operation closures.
- TSA reported nearly 10% of workforce called out; small airports may face consolidated or halted TSA operations if unpaid absences continue.
Historic March Heat Wave In The West
- A historic March heat wave is scorching the U.S. West with record-setting potential.
- Liz Kreutz reports 38 million under heat alerts, Phoenix and Tucson facing triple digits, and Palm Springs may hit 109°F—the highest March U.S. reading.