Virgin Australia reported 11.2% growth in its domestic traffic as measured in RPKs in May, compared with the same period a year earlier.
The carrier's overall passenger numbers increased by 8.9% year on year to 1.61 million during the same month.
Domestic passenger numbers rose 10.3% year on year to 1.42 million while international passenger numbers declined by 0.3% to 192,000 in May, according to a statement by the group.
Overall capacity, as measured in ASKs, increased by 7.3%. Domestic capacity was up by 15.2%, while international capacity fell by 3.6%.
Virgin Australia's overall passenger load factor declined 1.4 percentage points to 76.1%. Its domestic passenger load factor fell by 2.8 percentage points to 76.1% while international passenger load factor declined by 0.9 percentage points to 76%.
The domestic and international operation results exclude the results for Virgin Samoa.