Originally Posted by
misterfuss
Thank you. I will call them on Monday to request the changes.
If you want to wait to see whether SFO-BOS restarts with D1 service, why would you call immediately? Wait until a few days before and make the change to whichever flight you want. (You could theoretically end up with zero open seats on your given day to fly between JFK and SFO, but that seems very unlikely.)