A man was charged with a felony after Texas authorities accused him of using what appeared to be a fake boarding pass to sneak onto a United Airlines flight, according to a criminal complaint.

The man was found in one of the plane's bathrooms, and flight attendants later learned he was not on the manifest, the complaint said.

The incident highlights ongoing concerns about aviation security lapses after similar stowaway cases in recent years.

AI-generated summary was reviewed by a CNN editor.

A man was found hiding in a United Airlines plane’s bathroom last month after police say he slipped past TSA and gate agents using what appeared to be a fake boarding pass, according to Texas authorities. It wasn’t the first time someone stowed away on a flight this year.