Originally Posted by Check Essential

The Northwest flight attendants are the only group to ever push it that far.

Here's the answer they got:

We hold that Section 2 (First) of the Railway Labor Act forbids an immediate strike when a bankruptcy court approves a debtor-carrier's rejection of a collective-bargaining agreement that is subject to the Railway Labor Act and permits it to impose new terms.


Here's the entire ruling if you're interested:

IN RE: NORTHWEST AIRLINES CORPORATION, Docket Nos.