SWA can have 16 days off, but what if you 3 days on, then 5 days off, 1 day on, 1 day off, 2 days on, 5 days off, 3 days on, 1 day off, 2 days on, 4 days off, 3 days on. That's 30 days total, 16 days off. Not great for a commuter like me. I'll keep those four days off minimum thank you very much.