More than 1,500 flights were canceled across the country early on Monday amid the Federal Aviation Administration's limiting capacity at 40 major U.S. airports.

O'Hare International Airport was closed to many flights overnight Sunday into Monday as a serious early-season winter storm pounded the area.

Flight delays and cancellations are piling up Sunday across the U.S. after the Federal Aviation Administration cut flights at 40 U.S. airports on Friday following a monthlong government shutdown.

Nationwide flight disruption stretched into Sunday following cancellations or delays to thousands of flights on Saturday.

"This is about where’s the pressure and how do we alleviate the pressure," Transportation Secretary Sean Duffy said.

Pueblo Memorial Airport's EAS airline, Key Lime Air, says no flights have been canceled, but warns passengers to watch their connecting flights.

As flight delays and cancellations continue piling up nationwide after the Federal Aviation Administration’s order to reduce traffic, travelers are feeling the ripple effects, including at the Jacksonville International Airport.

Follow live updates on delays, cancellations and FAA impacts as airlines cut flights amid the government shutdown.

Hundreds of flights were cut at airports across the United States have been canceled, with deeper cuts looming in the coming days.

The flight cancellations ordered across the country by the FAA hit 52 Monday morning at Logan Airport in Boston.

Hartsfield-Jackson remains fully operational but is seeing hundreds of cancellations and widespread delays amid the federal shutdown.

Thousands of flights have been delayed or canceled across the country as Americans face another day of travel uncertainty.