Originally Posted by
denuaflier
There is a theory that as 1K you are more likely to buy UA. I just search without logging. In and login once they display price.
This is not how airfares work (currently), and you can do controlled experiments to prove it.
The effect can absolutely happen, but it's happening because of price discrimination based on residency, not an individual searcher's frequent-flyer status.
If it's helpful to *think* of the effect as occurring for this reason, by all means try it out!