Originally Posted by
yabadoo
Just out of interest, does JAL ever opup to F from J when flight is oversold or are they strict in their policy like some other Asian carriers where they absolutely do not do that?
I don't really know. But there is probably likely to be a mileage upgrade request that they can clear (which is another non free method, have JMB miles to request an upgrade to F) to avoid the overbooking of business class.