CHICAGO -- More than 900 flights have been canceled nationwide on Saturday as the Federal Aviation Administration continues limiting flight capacity at 40 major U.S. airports amid the government shutdown.

As of 12:25 p.m. ET on Saturday, 902 flights have already been canceled nationwide and the total could eclipse Friday's toll of 1,024 cancellations.

Major delays at airports across the country continue to persist due to staffing issues in air traffic controller towers and centers.

If the government shutdown continues, more air travel reductions could be on the way, Transportation Secretary Sean Duffy said in an interview on ABC News Live on Friday.

"My hope is that this government shutdown will end soon and we can get back in the business of letting Americans travel," Duffy said in t

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