A combination of capacity growth, higher fuel prices and worries about the health of the global economy have sent airline stocks skidding this year. The US Global Jets ETF (NYSE: JETS) is down 10% and many of the major carriers are down upwards of 20% since the beginning of the year.

Investors are now skittish about shares that have popped triple-digits over the last five years in an industry notorious for cyclicality and heavy competition.