Schedules...good if you're senior, bad if you're junior.
Pay...12th year F/O is 123/hr with a 75 hour guarantee.
Retirement...couldn't tell ya much about it...there is one.
Commuting...works great if you're senior.
Benefits...typical airline except no passes besides SWA.
You should subscribe to Air Inc or some other aviation employment service and you'd have all the information you need and then some instead of asking questions that would demand volumes of information.