Originally Posted by
olm022
Your ticket won’t be changed, as upgrades done at check-in/gate are in essence a seat change rather than a ticket change with a corresponding EMD. All of the original provisions of your C ticket remain (luggage allowance for C, mileage earning, etc).
I see. All other things remain equal? Same levels of service on arrival at ZRH and a binding contract to get me to ZRH in F (asking for EU261)