As in the title. I have an international itinerary whose return I want to change by 2 days (without paying, of course), so I'm hoping for a decent schedule change.
Alternatively, if I had IROPs twice on the outb

und, would AC waive the change fees to change the return (I have an important obligation after returning, and I'm flying from an airport with few alternatives)? I know that they'll waive it if you make that change at the same time as you're being reaccommodated, but...