On October 25, Korean Air will begin operating a 777-300ER thrice-weekly between Seoul, Korea and Los Angeles (LAX). Flights KE11/12 will be the route used for the aircraft, as opposed to the previously intended Seoul-JFK route as KE85/86, which is currently operating a 747-400.
Korean Flights 81/82 Seoul-JFK are already operating the 777-300ER, whereas LAX currently sees the 747-400 and 777-200 on the Seoul-LAX route.