Originally Posted by
Zaphod
There's quite a few different causes for this, but a couple that spring to mind that are:
1. Many people make dummy bookings but hold it open in their browser with the booking eventually timing out and released back into the system.
2. Those holding fares such as travel agents, or those who choose to pay the $10/$25 hold fee.
3. The revenue team adding/removing fare buckets according to demand.
I agree that it looks bad, but there are legitimate explanations for that behaviour. AirNZ have categorically denied engaging in differential pricing.