A rather unique case in the aviation industry, page-24

You raise an interesting point on labour shortages in the resources sector and the possible impact on operations.
This extract from RRL quarterly report highlights Covid related issues are restricting company activities:

"further lockdowns in WA and across Australia, along with associated travel restrictions are causing pressures on the business, including extending periods to fill vacancy and labour cost pressures. In addition, potential impacts of the requirement for mandatory vaccination including personnel availability are not fully understood. The situation remains fluid and the Company continues to monitor for potential impacts and take action where appropriate."

It is debatable if these issues result in more flights.

There have been no updates to their outlook statement since results release in August, so assume there is nothing behind market sentiment.
Hopefully Lee Schofield enlightens us at the AGM.