The Federal Aviation Administration's plan to slash airline capacity due to the government shutdown could hit some of the nation's busiest airports, including in Atlanta, Dallas, New York City and Los Angeles, according to a proposed list provided to CBS News by a source familiar with the discussions.

Transportation Secretary Sean Duffy announced Wednesday that 40 "high-volume" areas will have their air traffic cut by 10% in the coming days to cope with shortages of air traffic controllers, who are working without pay amid the 36-day-long government shutdown .

The cuts are expected to be phased in starting Friday, with airlines reaching the full 10% mark by next week, according to two sources familiar with a conversation between the FAA, the Department of Transportation, and

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