CHICAGO - U.S. Transportation Secretary Sean Duffy arrived at O’Hare Airport on Tuesday, while thousands of travelers across the country continue to face flight cancellations.

Airlines are now pushing lawmakers to do something about it.

What we know:

Duffy says air travel will "radically slow down" this coming weekend if the shutdown isn't resolved, but says he is hopeful that we will soon have good news from Washington, D.C.

On Saturday, the FAA had more staffing triggers than ever before, and Duffy says it will only get worse if lawmakers don't act quickly.

The government shutdown sent airlines into a tailspin when last week the FAA directed them to cancel a percentage of their flights at the nation's busiest airports, including O'Hare where more than 125 flights have already be

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