Originally Posted by
mith
I am sure that luggage will be interlined and bording passes issued at the first German airport. But, what about frequent flyer numbers? Will the agent at baggage drop off (or the machine/gate staff...) be able to enter the right numbers for the right segments?
You might want to skip entering any FF numbers before and during the flight, and just use retro-crediting in both programs for corresponding flights.
All that only if flight with Skyteam-issued ticket is eligible for crediting miles in M&M in the first place.