Originally Posted by
floridastorm
I forgot to ask. In order to upgrade at the airport do you have to have a full fare economy ticket Y, B, M, H coding?
According to JAL web page:
JAL Mileage Bank - Airport Upgrades for JAL International Flights
Eligible Fares
Upgrade from Economy Class to Premium Econom Class
B H K Y
And if you have JAL award ticket, you can change your service class.
(You can change Y awrad to PE,C).
See
http://www.jal.co.jp/en/info/jmb/award_airport.html
Award tickets can be upgraded with miles !
And, if you want to pay, you can upgrade from any booking class.
In some cases, you can upgrade code share flights.
(For example, you can upgrade BA4??? operated by JAL LHR-TYO).