We all know that the airlines are making a significant sum on the back of their customers via ancillary charges. Here’s a good infographic that shows who’s charging what for some of the largest US carriers. It’s not a comprehensive list (e.g. it doesn’t include early-boarding fees), but gets the overall picture across quite nicely.
Spoiler Alert (well, not really): Southwest and JetBlue do quite well.
Click on the infographic for a larger image: