Originally Posted by
Anegada
BA has a detailed set of rules for this precise cabin closure scenario, which can be viewed here:
https://www.britishairways.com/en-gb...lines#schedule
They don't permit rebooking onto QR (in either J or F), but that's not to say that you can't be successful in making that request as a one-off.
I’m in the same boat and as told the only reason I couldn’t be booked on QR was because I had used a 241 voucher. True or not I have no idea!