"The niche airlines know they will need every edge they can find as competition heats up. As major carriers emerge from bankruptcy protection with lower labor costs and other new economies, they will be more formidable."
http://www.time.com/time/insidebiz/article/0,9171,1101030609-455800-1,00.html
http://www.time.com/time/insidebiz/article/0,9171,1101030609-455800-1,00.html