Singapore Airlines (SIA) reported a 4.3% growth in RPKs in May from the corresponding period a year ago.
The number of passengers carried by the airline increased 4% to 1.37 million, said the Star Alliance carrier.
Capacity, as measured in ASKs, grew 6% as a result of additional frequencies to Guangzhou, Hong Kong, Male and Taipei, added SIA.
The passenger load factor declined 1.2 percentage points to 73.6%.
In the cargo market, total cargo volumes grew 1.8% to 99,600t, said the airline.