I'm sure that's
part of the reason. SW didn't like the fact that the search sites were listing airlines that pay a commision first. Some of the sites didn't check availability and just displayed the lowest published fare. Passengers got upset when they couldn't book the rate that was displayed.
Originally Posted by
justageek
The info is not available outside of Southwest's internal system, and that's exactly the way they want it. If you could easily comparison shop Southwest's fares with other airlines, you would realize that they're rarely the cheapest option.