Originally Posted by
mikeyfly
Some people claim they’re released at a recalibration at 01.00. In my experience this is not the case and it can happen at any time - often later in the day. No secret answer I’m afraid.
My experience is that LHR/BHD and vv is indeed recalibrated between 0000 and 0005 the day before travel. At that time, reward availability typically increases significantly: it seems that inventory that remains unsold is often then shifted to reward inventory.