The number of passengers flying on Hawaiian Airlines increased nearly 8 percent in May compared with a year earlier. Hawaiian carried 737,533 passengers in the month, versus 685,051 in May 2010. Its load factor, or percentage of seats filled, declined 1.0, to 84.5 percent from 85.5 percent.

Revenue passenger miles, a measure of one paying passenger transported one mile, increased by 24.8 percent to 865 million miles. The airline also reported a 26.2 percent increase in available seat miles, which measures one seat transported one mile.

The airline said the number of passengers carried from January to May is up 4.8 percent from a year ago to 3.5 million.