The Senate has passed a short-term measure to keep federal agencies funded into early December and avoid a government shutdown during campaign season.
As the TSA app does not show real-time data amid the partial government shutdown, here are a few alternatives travelers can use to make the wait easier.
"All I can say is that the discussions have been very positive and productive, and hopefully headed in the right direction," said Senate Majority Leader John Thune, R-S.D.
So far, no California airports are on the list of locations where ICE agents have been deployed to help TSA with security.
Long Beach was among U.S. airports hit hardest by staffing shortages this weekend. More than 21% of TSA agents did not report for work on Saturday.
Travelers are waiting hours at some airports to pass through TSA checkpoints as more officers call out amid the ongoing DHS shutdown.