Originally Posted by irishguy28

I'm not sure that KLM can issue a "non-rev" ticket on Lufthansa or any non-partner airline. If KLM could book people onto other airlines without having to pay the airline, then they would presumably be far more amenable at rebooking pax onto the competition, and overbooking their own flights!!!!

In many cases, given that the "new" flights are booked only shortly before departure, you will find yourself booked into a full-fare economy class (assuming you are travelling in Economy!).