Originally Posted by
BA6501
On the left part of the boarding pass you'll have a big M, on the stub next to the flight number you'll have your exact fare class. (This is for LH, BD used the same system.)
Sorry again but actually I do not quite understand.
What does the "M" circled in red represent? This is actually a redemption ticket but not via BA Avios so I guess the fare class should not be M...