SIOUX FALLS, S.D. (KELO) — TSA expects to see around 17.5 million people at airport checkpoints across the country during the Labor Day period through Wednesday, one of the busiest stretches it's seen in years.

The Sioux Falls Regional Airport held a steady flow of travelers on Monday morning. Some, like Tony Harris from southern Texas, were on their way back home from holiday travel plans.

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"Now, I'm heading back to the heat. I love this weather up here," Harris said.

Others, like Rich Frantz and his family, were just starting

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