There is a good post over at Queensland Economy Watch on regional airfares: Why is it so? Regional Qld airfares 2-3 times higher than in the city – guest post by Craig Wilson

Figure 2: Index of domestic passengers, 1985-86 to 2016-17

Following positive commentary from Cairns Airport on regional routes I have also recently looked at the same BITRE data set indexed here:

Hmm. I could also turn this into a post on the dangers of locking an index to a starting point on a linear scale.  I could also note that around 10% of airport traffic into the remote North West mining province of Queensland is now recorded through Cloncurry combined with Mt Isa up from zero for a few years following the index benchmark date.