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

It could be another slow go at airport security checkpoints this weekend as the partial federal government shutdown hits the one-month mark.

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

A standoff over immigration enforcement is keeping much of the Department of Homeland Security unfunded, with the Senate again voting to not advance a spending bill on Thursday. The measure to finance DHS was rejected 51-46,