Originally Posted by
hondaman82
Hi KAKA,
the other leg will be Y using United miles (not on JAL of course).
From a gound experience perspective, being a Y passenger in Narita is ever so much nicer than being so in LAX. With the minimal in flight differences, I would re-iterate the flow of LAX-NRT in F and the other direction Y. In the end there is no final answer, no correct way, as both options has their merits.
OP do you have status with Star Alliance?