As the government shutdown enters its second week , many travelers are beginning to worry about the effects on their upcoming air travel. With Chicago's O'Hare Airport being one of the busiest in the country , any delays could potentially impact thousands of travelers.

Federal air traffic controllers and Transportation Security Administration (TSA) officers are considered "essential," meaning these federal employees are expected to keep working despite not receiving a paycheck. They're supposed to get back-pay once the shutdown is lifted.

Here's what to expect on your next flight.

Is air travel affected by the shutdown?

USA TODAY journalists who traveled over the weekend reported that lines at TSA checkpoints were normal at multiple airports. Data from FlightAware showed ju

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