Japan's All Nippon Airways' (ANA) net profit soared by 61.6% to Y36.9 billion ($463 million) for the first half of FY2012/13.
The carrier's operating revenue grew by 6.9% year on year to Y753 billion for the six months ended 30 September.
Its operating income rose by 50.2% to Y75.3 billion and operating expenses totalled Y678 billion, an increase of 3.5%, for the fiscal first half.
The number of domestic passengers carried grew by 8.1% during the period and domestic passenger revenue increased by 4.6% to Y343 billion.
Domestic RPKs grew by 7.5% and ASKs also rose by 4.6%. Passenger load factor grew by 1.7 percentage points to 61.7%.
International passenger numbers increased by 16.6% and revenue from international passenger services rose by 12.6% to Y180 billion.
International RPKs increased by 17.5% and ASKs increased by 9.3%, while its load factor grew by 5.4 percentage points to 77.6%.
On the cargo front, ANA carried 226,000t of freight in the domestic market for the first six months, down by 1.5% in the same period a year earlier.
In the international market, the airline carried 293,000t of freight, up from 277,000t the same period a year earlier.
Domestic cargo revenue declined by 3.8% to Y15.8 billion, while international cargo revenue fell by 8.3% to Y41.4 billion.
Revenue from other services in the air transportation business increased because of additional handling service contracts with other airlines and the service launch of ANA Group's low-cost carrier. Revenue rose by 12.4% to Y88.3 billion in the first half, compared with a year earlier.
For its FY2012 outlook, ANA expects the Japanese economy to have strong reconstruction demand but also warns of a risk that the economy will be affected by the economic situation in Europe and China, rising oil prices, volatile exchange rates and the anti-Japanese demonstrations in China.
The carrier expects the demonstrations to cost it about Y30 billion in revenue.
ANA Group expects to reduce operating expenses and this will be in line with the expected decrease in revenue.
For the fiscal year ending 31 March 2013, ANA expects recurring profit to be remain flat at Y70 billion. The group maintains its net profit forecast of Y40 billion for FY2012.