A partial shutdown affecting the Transportation Security Administration is causing long airport lines and flight delays across the U.S.

Wait times at San Antonio International stay low even as unpaid TSA agents work through the DHS shutdown.

Travelers have several ways to check TSA security wait times before heading to the airport.

Spring break travel is officially underway, which means longer lines and heavier congestion at airports across the country. This year's travel rush comes as many federal workers continue to report to work without pay during the partial government shutdown.