> What possible incentive would an airline have to do that, then? For one, the airline makes more than if it had without bidding. Second, there is some value

> What possible incentive would an airline have to do that, then? For one, the airline makes more than if it had without bidding. Second, there is some value in not completely pissing off your customers. In my opinion, if the airline asks "how much are you willing to pay?" but you normally pay less, customers will hand over their money with a smile.