Domestic travel within Japan is fascinating on a variety of levels — it’s an efficient delight, and traveling in premium cabins can be an incredible value.
In the past, I’ve written about how Japan Airlines allows cash upgrades on the day of departure at a very reasonable cost (anywhere from $7 to $89), with last seat availability. Well, a major change has just been announced to this opportunity, which many of us won’t be happy about.
Japan Airlines’ new limit on day of departure upgrades
Currently, all Japan Airlines passengers on domestic flights can purchase an upgrade between 20 minutes and three hours of departure, subject to seats being available. That brings us to the change that has just been revealed. Starting soon, you’ll have to be a member of Japan Airlines’ Mileage Bank program in order to upgrade:
Departure date upgrade will be the service only for the JAL Mileage Bank (JMB) members starting from December 18, 2025.
Further details of the change haven’t been revealed. I would assume the intent here is that you actually need to have your JAL Mileage Bank number on the reservation in order to be eligible to upgrade, rather than just needing to be a member in general.
What’s the intent behind this upgrade change?
On the surface, it seems a little unusual to tie cash upgrade eligibility to membership in a frequent flyer program. All we can do is speculate as to what the intent here is. These upgrades are super popular, and almost always get snapped up, with many people being familiar with the program.
My guess is that the intent behind this change is twofold:
- Given the amount of interest in cash upgrades, perhaps the airline wants to increase participation in its own frequent flyer program, rather than in partner frequent flyer programs
- I suspect this is sort of a way to limit upgrades more to Japanese customers rather than foreigners, given that foreigners are much more likely to participate in other programs
Of course anyone can join JAL Mileage Bank, so it’s not like this actually limits participation for foreigners. But as an example, say you have oneworld Emerald or oneworld Sapphire status with another frequent flyer program, you can potentially stack perks if upgrading from economy to Class J (Japan Airlines’ quirky domestic non-business class premium product). This is presumably intended to limit that for those not engaged in the carrier’s own loyalty program.
Bottom line
As of December 18, 2025, Japan Airlines is limiting cash upgrades on domestic flights to those who are members of the JAL Mileage Bank program (and presumably those who actually have the frequent flyer number on the reservation).
As someone who typically credits to other frequent flyer programs when flying with Japan Airlines, I’m of course not that happy to see this. At the same time, Japan Airlines’ domestic premium cabins are typically reasonably priced enough, so I don’t mind outright paying.
What do you make of Japan Airlines’ policy change for domestic upgrades?
