Update at 2200GMT 02FEB14
American Airlines in Summer 2014 season is reducing Chicago – Tokyo Narita operation, where it’ll operate 5 weekly flights, instead of daily, from 04APR14. Boeing 777-200ER operates this route.
AA153 ORD1340 – 1645+1NRT 777 x13
AA154 NRT1815 – 1605ORD 777 x24