Passengers were bracing for further travel chaos at major US airports Tuesday as increased flight reductions ordered by the Federal Aviation Administration (FAA) went into effect — with freezing weather in parts country also threatening widespread delays.

More than 1,000 flights had already been canceled across the US as of 7 a.m. Tuesday, according to FlightAware.

The FAA ordered domestic airlines last week to drop 4% of their flights at 40 high-traffic airports to cope with the government shutdown.

The goal for reducing flights was set to rise to 6% on Tuesday.

It wasn’t immediately clear how many additional flights needed to be cut to meet the target.

More than 7,900 flights have already been canned since the order came into effect last week.

Meanwhile, freezing weather in part

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