Originally Posted by MilesToGoBeforeISleep
My understanding is B = B = B no if ands or buts...
If it works that way for you, great, but in my experience there are plenty of ifs and buts. Take a look at this fare, one of many:
Code:
FARE BASIS CODE
BLXEU3M
BK CODE
B -
PENALTY
CANCELLATIONS - ANY TIME CHARGE USD 100 FOR CANCEL/ NO-SHOW/ REFUND...
And now a partial quote from the rules regarding upgrades, which I'm sure you know, but copy here for convenience:
"
...Upgrade on Full Fare Economy is an upgrade to the next class of service on any unrestricted full-fare economy ticket. Unless otherwise noted, a full-fare ticket is one that is booked in Y or B and is unrestricted, requires no fee for change or cancellation, has no advance purchase requirements, and is fully refundable..."