The individual, who did not have a boarding pass, completed security screening and bypassed two identity verification and boarding status stations to board the aircraft, according to a TSA spokesperson.

"The individual bypassed two identity verification and boarding status stations and was able to board the aircraft," TSA said in a statement.

The judge said the city had placed incarcerated people in “unconstitutional danger” by failing to comply with 18 separate provisions of court orders pertaining to security, staffing, supervision, use of force and the safety of young detainees.

A judge ruled New York City is now in contempt over "grave" conditions at the Rikers Island prison complex, with a federal takeover of the system now seen increasingly as likely in a years-long legal battle.

US District Judge Laura Taylor Swain in Manhattan said the city had placed incarcerated people in “unconstitutional danger” by failing to comply with 18 separate provisions of court orders pertaining to security,