Airport staffing shortages saw thousands of flights delayed across the U.S. on Tuesday night as overstretched air traffic controllers continued to work with no pay during the government shutdown.

The big picture: Seven days into the shutdown, the Federal Aviation Administration reported staffing issues at airports in Chicago, as Vegas, Nashville and Philadelphia, and at air traffic control centers in the Atlanta, Boston, Dallas and Houston areas.

Why it matters: The last shutdown in 2019 placed great strain on U.S. air travel amid severe staffing shortages, and analysts predict the current crisis will only worsen if the political standoff on Capitol Hill drags on.

By the numbers: More than 3,000 flights were delayed at U.S. airports as of Tuesday night, per the flight tracking website F

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