Originally Posted by rp2pilot

Remember though, that with the old system, if you were junior, you could wind up getting a line where none of the trips touched your vacation. If you were on reserve, there was a chance that you'd get a reserve line where most of your days off corresponded with your vacation. In my first year, right after finishing transition training, they assigned me my prorated vacation days in between my upcoming reserve days, essentially nullifying the vacation because I was already off on those days.