Originally Posted by
warakorn
75% refund of not the base segment fare, but the pro-rata part of the full fare. Pro-rata is calculated on the great circle distance.
It depends. It would be pro-rata for a through fare. However, if the price was made-up of several distinct fare components, the calculation would have to be based on the relevant fare component (which may or may not have to be pro-rated depending on what the fare component covers).