Originally Posted by flyerCO
Plat Comp Upgrades at 5 days ONLY work if the plat. and comp. are booked on the same ticket/itn. You can't combine different itns. itno one. Since it's not the case for the OP he'll have to wait for the airport to upgrade his son.
That is not true - it can be done if you get a nice supervisor to help. Frankly it is only fare to be able to do that.