Airlines are doing pure price discrimination, which creates some perverse incentives. Sometimes flying A-C-B is cheaper than A-C, which penalizes us for making

Airlines are doing pure price discrimination, which creates some perverse incentives. Sometimes flying A-C-B is cheaper than A-C, which penalizes us for making C-B seats available, simply because most people going to C are on business. http://en.wikipedia.org/wiki/Airline_booking_ploys http://en.wikipedia.org/wiki/Airline_booking_ploys