Suddenly, passengers are taking a closer look at what to wear and what not to wear at the airport, following a statement made by the U.S. Department of Transportation. Secretary Sean Duffy took exception to "disrespectful" clothing at airports , which included wearing pajamas.

The major U.S. airlines haven't directly responded to the reports. However, most do have their own clothing rules. United Airlines has a clothing policy in Rule 21 of its Contract of Carriage . The rule states that passengers can be kicked off for not following the protocol.

As for American Airlines, the carrier also has a rule that, if not followed, can also get a passenger kicked off.

Here's American Airlines' policy for clothing in its Conditions of Carriage.

American Airlines Does Have A Clothing Rule In

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