Air China's (HKG:0753, SHA:601111) passenger capacity surged 12.9% year over year to 28.27 billion available seat kilometers in November, according to a Friday filing with the Hong Kong stock exchange.

Passenger count jumped 17.5% to 12.2 million during the month. Cargo capacity grew 18.4% year over year to 1.13 billion available freight ton-kilometers.

Cargo carried increased 17.4% to 134,835.1 tons, the filing said.

The airline's shares were down by almost 6% in recent trade.