"All the airlines cancelling flights and adding extra charges amid jet fuel crisis"

https://www.independent.co.uk/travel/news-and-advice/jet-fue...

You have to read more than the clickbait headline

> While this figure might appear significant, it constitutes a mere 1.5 per cent reduction in total worldwide aviation capacity,

The article cites airlines which raise the prices of already sold tickets. I agree, the impacts of the current jet fuel shortage are still small.

Hedging at this point is basically done to cover the cost of tickets already sold.