Originally Posted by
pinniped
The only "big" one in my frequent-flying lifetime has been TW/AA, and TW miles and status were transferred fully.
Except that I believe TW lifetime lounge passes converted to 3-year versions and also I believe that the TW members had to make a claim to AA to get the transfer and that it wasn't automatic. But otherwise, yeah.
Originally Posted by
Boraxo
However, in absence of a merger or acquisition, it is likely that your miles would be history in event of a total liquidation.
Absolutely. The key is the "absence of a merger or acquisition" part of that phrase. I think that such an event is highly unlikely in just about every scenario I can fathom for the majors.