Suspicious wires found on Delta jet

• The wiring was deemed not a threat
• There were 206 passengers on the plane

New York (CNN) -- A Delta flight going to Madrid from New York returned back to John F. Kennedy International Airport Thursday after suspicious wires were found in the bathroom of the plane, officials said.

Delta Flight 126 took off at about 8 p.m. E.T. and returned to the airport at about 90 minutes later, according to a source familiar with aviation security at the airport.

The plane was taken to a remote area of the airport, passengers were evacuated and the wiring was deemed not a threat, said David Castelveter, a spokesman for the Transportation Security Administration.

There were 206 passengers on the plane, a Delta official said.

Authorities were planning to continue the flight later.

CNN's Jake Carpenter contributed to this report.