Let's look at some current issues.
Q. Who wanted to pass a law making it possible to use the cockpit voice recorder to arbitrarily against pilots?
A. Republican Jim Demint (SC)
Q. Who is delaying the rule to change rest rules, and trying to strip certain segments of aviation out of protections?
A) Republican James Inhofe (OK)
Q. Who wants to change the way Unions organize, to make it more difficult for workers to organize?
A. Republican John Mica (FL)
http://www.dailykos.com/story/2011/...union-legislation-in-FAA-reauthorization-bill
Q. Who wants to tie the FAA's hands in making new rules, to make sure they don't financially burden the airlines?
A. Republicans
It goes on and on.
While I don't think the Democrats are utopia, they don't hate labor like the Republicans.