Fuller planes help power Southwest Airlines to record quarterly earnings
![Fuller planes help power Southwest Airlines to record quarterly earnings](http://www.reviewjournal.com/sites/default/files/field/media/web1_southwest_airlines_011215DB_web_15.jpg)
Southwest Airlines, the busiest commercial passenger operator at McCarran International Airport, reported record first-quarter earnings Thursday, including the highest first-quarter load factor of 80.5 percent.