Originally Posted by
yonajon
NW Platinums receive 125% bonus. Not sure if they qualify as a "legacy" airline, but it seems lots of people here care about mileage accrual and they have an alternative in NW (no idea how their product is though, never flown them).
I'm guessing that CO is guessing that the NW/DL merger (if it happens) will result in NW/DL adopting the DL 100% plat bonus. We shall see...