Originally Posted by
roknroll
If a big goal of yours in flying DL is to meet MQD, I'd suggest not taking any risks and always booking directly through DL. There's too many variations, fine print, exclusions, etc to keep track of and DL does not make it very clear.
If the TA didn't tell you that it wasn't a published fare, I think you have a case for being changed to an available published without a fee from either the TA or DL, just payment of the fare difference.