Originally Posted by sailingfun

In many contracts today and prior to about 2001 at Delta furlough time did not count for anything. DALPA was the first union to push for and get longevity credit for furlough time. For those on long furloughs it is very significant improvement. It made for some nice pay bumps also for some NW pilots. They did not have it in their contract.
It also used to be and perhaps still is that if you took a voluntary leave you also lost seniority. That surprised at least one person I know.