Originally Posted by Smokey23

Something doesn't add up with your numbers. Southwest has just under 700 airframes and just under 8000 pilots, and they are a benchmark of staffing efficiency. These numbers are also sufficient to satisfy almost 17% of the domestic US travel market. Do you really see Spirit/Frontier's niche ultimately growing to that size? I don't. There is a finite limit to the number of passengers who will put up with the dubious travel experience that ULCC's produce. You have not fully-satisfied the niche yet, but will at some point soon, IMO.