Originally Posted by
elperro
There will never be anything to "point to" in ANY public offering regarding pricing and how much of each fare is bought by whom - that is very closely guarded by the airline.
That said, I can say having worked for an airline for nearly 10 years (not anymore of course)...
Carriers have - in the distant past - discussed what fraction of seats was bought as Y walk-up fares - about 12% for UA ~15 years ago. DL and UA have - in the present - talked about what fraction of premium cabin seats are sold rather than given as upgrades (>50%, in contrast to about 15% five years ago). DL has - as recently as today - cited the growth in corporate fare revenues. But they never, ever, say anything of the form 'Corporate fares make up XX% of revenues.'
The absence of evidence shouldn't leave anybody more inclined to believe your argument.