There was a wonderful story I read 15 or 20 years ago and unfortunately can't find a source for now, that went something like this: Some random entrepreneur had made a bunch of money by buying textile plants and streamlining them, eliminating inefficiencies, canning redundant workers, so on and so forth. Flush with success, he decided he wanted to branch out into other industries that weren't making enough money and needed to hear his gospel of efficiency, and bought a bunch of fiction publishing houses. He quickly discovered that he couldn't do shit with them, because publishing is a business with razor-edge margins, and the publishers that weren't run with machine-like precision had all gone out of business already.
If you want to "disrupt" the airline business, invent anti-gravity. Until you do that, all your clever business ideas aren't going to change the fact that air travel requires a fuckton of expensive fuel per passenger.