Low-cost carrier Allegiant Air has more than doubled its second quarter net income to $25.2 million.
Operating revenue rose 15.3% to $231 million for the three months ended 30 June.
The airline's operating income doubled to $41.9 million in the quarter, it says.
Scheduled passenger revenue per available seat mile (PRASM) fell 5.6% to 8.75 cents.
The airline's passenger traffic rose 16.7% during the quarter, and capacity was up 18.1%. The passenger load factor declined one percentage point to 87.9%.
In revenue guidance for July, the airline expects PRASM to fall by between 1% and 3%, and for scheduled capacity to grow by between 15% and 19%. Third quarter PRASM is estimated to fall by between 7% and 9% while capacity is forecasted to grow by between 22% and 26%.
Full-year scheduled ASMs for 2012 is expected to grow by between 20% and 25%, with full-year capacity for 2013 to grow by about the same range, says Allegiant.