Senators unanimously approved a resolution Thursday to withhold their pay during government shutdowns.
Travelers going through O'Hare on Monday were divided over the government's decision to send ICE agents to at least 14 airports.
Multiple sources tell ABC News ICE agents will be deployed to 14 airports across the country, but that number could change as plans continue to unfold. It's still not known if Chicago airports are included.
Travelers are waiting hours at some airports to pass through TSA checkpoints as more officers call out amid the ongoing DHS shutdown.
President Trump threatened to deploy ICE agents to U.S. airports starting Monday if Democrats don't agree to a funding package to end the DHS shutdown.
Some air travelers in Chicago waiting in long TSA lines expressed concerns after President Trump said he is planning to deploy ICE agents for security to major airports as soon as Monday if there isn't a deal reached to fund DHS.