Travelers planning to fly into or out of U.S. airports could feel the impact of staffing issues, which continue to build as the government shutdown reached its 10th day Friday.

The "national picture today looks a little messy," CBS News senior transportation correspondent Kris Van Cleave said from Los Angeles International Airport on Friday.

Across the U.S., roughly 52,000 flights are scheduled ahead of the Columbus Day weekend, according to the Federal Aviation Administration.

Tasked with keeping travelers safe on the ground and in the air, TSA officers and air traffic controllers are deemed essential by the government, requiring them to keep working during the shutdown without immediate pay.

However, an uptick in workers calling out sick has led to sporadic fligh

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