Originally Posted by
weero
You could however wait until the very last second and then switch FFPs right there at the gate, preferably after you received such an elusive op-up.
Gate agents are quite busy and reluctant to change FFP at the gate. In addition, a change will often be entered with error and no miles will post. Then you have the problem with retro credit of miles when your BP reads SEN but you are trying to collect miles at other FFP...
Sorry, but this strategy will often fail.