Air New Zealand's reliability has fallen, and it's trailing Jetstar in figures for last month as it grapples with engine problems. 

Only 77% of its domestic flights arrived within 15 minutes of scheduled times last month, down from 88% in January. 

Jetstar reported no domestic cancellations last month and almost 79% of flights were on time. 

Aviation Commentator Irene King told Mike Hosking that Jetstar is an insignificant airline in comparison to Air NZ’s operations. 

She said that they only have five planes, all of the same type, so you’d think they’d get it right every time. 

LISTEN ABOVE 

• Air New Zealand versus Jetstar: Which airline's the most reliable right now
• Jetstar soars past Air New Zealand in terms of reliability, report reveals