Originally Posted by eethan

Before US joined OW, I booked an all Star Alliance award (connections not shown for simplicity):

TAP: LAX-BCN (stopover)
LH/CA: BCN-PVG (destination)
CA: PVG-LAX

Now I want to change to a more direct LAX-BCN flight on IB, while keeping my other 2 legs (on *A).

I understand I will pay only $150 change fee. No extra miles needed.

Is it possible to change one leg to OW while keeping the rest with *A?