A man was arrested at the Philadelphia airport on Saturday after making a joke about a bomb as he was buying a ticket, police said.

As the unidentified man in his mid-30s was purchasing a ticket for a Northwest Airlines flight to Minneapolis, he quipped, "I want the window seat away from the bomb," police Sgt. Thomas Harkins said."He thinks he's a comedian, but the ticket attendant doesn't," Harkins said.

The attendant called the pilot, who ordered that the plane searched.

No charges had yet been filed against the man.