Australia's Virgin Blue group reported a 16.6% growth in passenger traffic in September from a year before.
Domestic RPKs rose 5.3% and international RPKs surged 39.5%, says the airline.
In real terms, the total number of passengers carried was up 6.3% to 1.6 million. Domestic passenger numbers rose 4.2% to 1.36 million and international passenger numbers grew 19.5% to 253,152.
Overall capacity, as measured in ASKs, increased 16.3%. Domestic capacity was up 8.5% and international capacity increased 30.7%.
Virgin Blue's passenger load factor rose by 0.2 percentage points to 81.3%. Its domestic passenger load factor was down 2.4 percentage points to 81.4%, while its international passenger load factor rose 5.1 percentage points to 81.2%.
The figures include Virgin Blue's long-haul subsidiary V Australia and its regional carrier Pacific Blue.