Air New Zealand (ANZ) posted a 1.3% decline in passenger traffic for January 2012.
The airline's short-haul RPKs were up by 1.1% in January, while long-haul RPKs fell by 2.8%, the carrier said.
Short-haul traffic refers to routes within New Zealand and from Australia and the Pacific Islands, while long-haul traffic refers to routes from Asia, North America and Europe, added Air New Zealand.
Total passengers carried declined by 1% to 980,000. Short-haul passenger numbers were down by 0.4% to 831,000, while long-haul passenger numbers declined by 4.3% to 149,000.
Total capacity, as measured by ASKs, remained unchanged as compared with January 2011. Short-haul capacity fell by 1% and long-haul capacity increased by 0.7%.
ANZ's overall passenger load factor decreased by 1.1 percentage points to 86.3%.
The carrier's short-haul passenger load factor was up by 1.8 percentage points to 85.9%, while its long-haul passenger load factor declined by 3.1 percentage points to 86.5%.