Originally Posted by rickair7777

To reinforce what others said...

Do not hang your hat on a CJO. If you have more than one, keep them in your hip pocket as long as you can.

In fact, I would hang on to a CJO even after starting class at another airline. You never know, they have sent new hires classes home with zero notice... airlines often hire right up until the day they furlough. While no major is likely to do that in this climate, if a small regional loses some flying they would quickly furlough while everyone is hiring.

1-2 weeks notice that you're declining a class date is sufficient. Two weeks if you're paranoid or the airline is owned by a legacy (assume they share info, and you could get black-balled from the legacy if you no-show a class date).