2 Weeks
After returning from our last holiday on 5th August I contacted BA via the web chat early this week and got the " You have to wait 60 days before we chase" communication.
We had chased as we were 5 points short of gold, and flying in a fortnight. Out of the blue today, both of our home pages changed to a gold border, and Bonus seems to have been added (though not showing on recent transactions yet).
Much quicker than last holiday bonus, and happy Mr & Mrs Windsock.