Originally Posted by
jantaoYVR
Unfortunately, your friend is going to have to go to the airport early, unless they have Concierge access. When trying to SDC online you'll only see the next two flights available from the time you're attempting to do the change.
I regularly do this out of YVR, as my family lives reasonably close to the airport. But if you're coming from further away, I can see what a giant PITA this is.
No concierge access and she lives far from the airport. It's unfortunate the online check-in only shows the next two options.