The new Zagat Survey on air travel lists the top five airlines as rated by respondents for overall satisfaction in coach cabins: JetBlue, Southwest, Continental, AirTran, Delta.
Continental, which led in most domestic categories, was also rated No. 1 for domestic premium cabins.
In the "Outtakes" section, which lists general customer comments without specifying which airline they refer to, someone said of an unnamed airline: "Bathrooms smell like the lion house at the zoo on a hot day."
I'd add: On the other hand, the lions get fed and have room to walk around, and there's an organization that makes sure they're treated humanely.