Originally Posted by
pregabalin
I've booked a RT award ticket using the excursionist perk AAA -> BBB, BBB->CCC, CCC->AAA all in Saver economy for my family. If saver business for the CCC->AAA segment opens up after I've flown the first two segments, would I be able to change the ticket for free to business?
For free? No. But you should be able to re-price the ticket as business and pay the difference in miles plus the change fee for your status level, if any.
Note that if CCC->AAA is operated by United, you can waitlist for business saver on that flight (there's a board thread on this).
Originally Posted by
pregabalin
And if only 1 or two seats opens up, would I be able to split the unflown segment in my itinerary so that some of us could get upgraded?
Yes.