Corporate culture and employee morale are as critical to the success of Southwest Airlines as a runway and landing gear. Executing well on those two fronts supports customers and shareholder return, according to Ginger Hardage, SVP of culture and communications for Southwest Airlines. Those efforts are clearly paying off - as the nation's largest domestic carrier, Southwest carries 100 million passengers a year and in 2010 the company reported its 38th consecutive year of profitability.

The airline's sweet ...