Originally Posted by
dangerous dave
Q2. If I go with the mileage upgrade option what is the deal on an M fare? Seems like 15,000 miles + $250 each way which seems like a bit of a rip-off
Depends on your perspective. If you're accustomed to AA or UA style SWUs where you don't have to fork over miles or cash, then yeah, it's a ripoff.
If you're used to forking over miles + cash for CO upgrades, as has been pointed out, it's lower than if you'd been on an L fare.