Amid the federal government shutdown, now the longest in U.S. history , flight delays and cancellations continue to affect airports across the country.

The "Misery Map" on the flight-tracking website Flight Aware shows which airports were worst hit on Wednesday. According to the site, there were almost 4,000 delays within, into or out of the U.S. that day, as well as 171 cancellations.

As a result of the air travel chaos, the Federal Aviation Administration (FAA) announced on Wednesday that it would reduce air traffic by 10 percent across 40 major U.S. markets beginning on Friday.

Newsweek has contacted the Transportation Security Administration and the FAA for comment via email outside regular working hours.

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While the Washington stalemate over federal funding leg

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