Originally Posted by
Shareholder
I beg to differ. AM tickets/flights are in a Tango+ fare class but are not upgradeable with eCredits nor do they earn miles. This particular subclass is blocked in the system and is not a normal publicly available fare class. It was reported here a few years ago that the res file contains wording that no upgrades can be given (though as an SE I've been opup'd a few times on an AM ticket). Has Academic (or anyone here) actually upgraded an AM flight with eCredits or certs before that?
I have upgraded with paper certs in the past, but only by asking the check in agent at baggage drop to put me on the waitlist. I have never been successful at waitlisting at the 4day E window.