The current answer
The shape of the fare arc is real. Where the trough sits shifts by route length and season.
This page is still being built. Until it is complete, verify independently using the sources below. The method in the book does not change; the specifics do.
Where to verify it yourself
- Published airline pricing research
- Fare aggregator studies, noting most are produced by companies selling flights
What the book says
See Phase 3 §1. The book teaches the method for working this out. This page carries whatever the current specifics happen to be.
What changed and when
No revisions yet.