Originally Posted by
Justdoinmyjob
To cover two months worth of flying? It'll take longer than that to train someone.
Originally Posted by
norskman2 
Here's the actual filing:
As previously disclosed in a Form 8-K filed by Pinnacle Airlines Corp. (the “Company”) on June 10, 2008, ...No assurance can be made that the parties will reach a mutually satisfactory resolution of the dispute beyond September 2008.
Translation: "Because the Pilots haven't signed their contract yet."