Originally Posted by
rwoman
You can use them with certain fares on AF/KL.
ETA:
http://www.delta.com/content/www/en_...tificates.html
KLM- Valid on all flights coded as KLM and operated by KLM.
- One-way upgrade from published Economy fared in Y, B, or M class to Business Class.
Air France- Valid on most transatlantic flights operated by Air France.¹
- One-way upgrade from Economy when booked in Y, B, or M class to Premium Voyageur Class.
or
- One-way upgrade from Premium Voyageur when booked in S or W class to Business Class.
¹ Not valid on AF operated 747 aircraft flights; only valid on flights with the Premium Economy Cabin.
ahhh....so basically like the old SWUs....
Buying those M fares just doesn't seem like a good value. I like the DL metal options better.
