Airlines are the worst.
What most people (and the news) don't seem to realise is that airlines are the worst because of market forces. There is very little brand loyalty in general for airlines so small changes in prices have a large difference and they've found the there just isn't a large market for a better airline with significantly higher cost.
I am a weekly business travel as are all my peers so this is purely my observations from 15+ years of frequent business travel.