The regulator was due to make a decision on the deal earlier this month, but that’s now been pushed out to April 14.
Recent disruptions to global energy supplies have seen prices at the petrol pump push $3 a litre, up from $2.27 in the December quarter.
Travel and tourism operators are looking forward to welcoming back overseas travellers, but not everyone will make it.
The omicron outbreak may peak within a fortnight, with barriers to international travel likely to fall quickly after that.