Originally Posted by ClipperDelta
The passenger ... had just missed her JFK-FCO flight (where she had gotten a "Z" upgrade) and the agent was trying to rebook her (even though missing the flight was entirely her fault, not DL's)...the second JFK-FCO had 1 seat left (J) in BE.
Wouldn't the "flat tire rule" apply? Or is the problem that when invoking it your forfeit the upgrade? Does it make any difference if you upgraded with miles vs. PMU's? Or doesn't it apply at all for TATL?