Originally Posted by
anabolism
- YQ/YR "fuel surcharges" are assigned by airlines to sectors. E.g., booking AA vs BA vs AY transatlantic may have different YQ/YR for that sector. The amount each airline charges for each flight is in the GDS, which the ticketing airline or TA uses to calculate the total price, but I'm not aware of any tool that makes it easy to extract the data. The closest might be to use matrix.itasoftware.com to price a simple one-flight one-way and see what it shows for the YQ/YR.
QR charges a "whole itinerary" YQ, and I think so does QF, so these cannot be picked up even if you try to price individual sectors.