LINK. A federal judge has ordered American Airlines and United Airlines to stand trial in a lawsuit that alleges the airlines' lax security led to the 9-11 terror attacks. The holder of leases at the World Trade Center sued the airlines over the September 2001 hijackings and attacks that destroyed the twin towers. U.S. District Court Judge Alvin K. Hellerstein in New York ruled Tuesday against a request by the airlines to end the case because the lease holder had already recovered more from insurance policies than the leases were worth. World Trade Center Properties LLC sued the airlines in 2008, claiming that their negligence allowed terrorists to board and hijack the planes that were crashed into the towers.