>ELI5: Why have airline travel times not decreased over the decades?
How fast an airplane can take you anywhere is a direct function of how much fuel it is burning. In order for travel times to decrease, the willingness to pay higher prices [for less efficient but faster planes](https://en.wikipedia.org/wiki/Concorde) would have to go up. It never did.
The market has settled on “I’d rather pay less money than arrive half an hour earlier”.
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