Originally Posted by
vishalgupta22
May be I am hallucinating, but I think the OP wants to book using BA Avios and IIRC, BA doesn't allow any changes to awards after T-24h.
Indeed, but if I remember correctly, same day changes are handled by the operating carrier, not the ticketing carrier.
So basically, if I book a Main Cabin flight, I can do a Confirmed Change, but if I book a First flight, I can't?