Passenger demand changes

Hello,

I have noticed more than once, that passenger demand decreases on certain routes.

I usually match the number of available seats as closely as possible to the requested number.

However when I sometimes change the IFS on a route and the route is recalculated I notice that I suddenly offer way more seats then necessary (without changing seat number).

Are these changes automatically simulated? (e.g. according to the current season or just randomly)

Are the changes only taking effect when I manually recalulate the route (e.g. IFS change) or are all routes sometimes recalculated?

Demand fluctuates throughout the year

Thanks for the answer!

But are the routes automatically recalculated when the demand changes?

Because if not, I doesn't seem to make so much sense!?

yes, demand increases during the peak season, in ae i think it's around christmas/new year and easter (not that we have a 25th of December in ae but oh well)