American, United, and Delta charge some flyers much higher prices
The big three airlines appear to charge a premium for one common type of flyer.
Booking an airplane ticket should, in theory, be a simple process. After all, thanks to the Internet, you can just go directly to your preferred airline's websites or to one of dozens of comparison sites to check airfares from dozens of different carriers.
In reality, however, if you care about finding the best price, it's incredibly complicated.
