Originally Posted by F9 Driver

The NMB takes into account whether a job action would create "a threat to commerce". Competitive issues are considered somewhat, but are not a major consideration. If we struck, SWA and every other carrier would pick up the slack in a heartbeat. If SWA struck it would impact NATIONAL commerce, and the NMB, PEB and Congress might not allow a strike. This is why airlines are under the RLA to begin with.

This is off of the NetJets' site, but does a good job of the RLA process PRIMER: Railway Labor Act