Originally Posted by synergistic

I can't speak for recent times, they're a little strange because of limited frequencies, but in my experience Southwest has had more of these for smaller airports than I ever found on other airlines. Oddly, I found the most success booking flights between two of WN's busier airports I could, for instance, book a fairly cheap flight between MCO and Atlanta, and have my choice of small expensive airports to 'connect' in.

I haven't done it in a long time, I'm sad to hear that they've since officially prohibited it. With the change windows, it's been a non-issue for nearly two years, and honestly I'm a little more risk averse these days.