In 2019 we are travelling to Australia and having stop offs on the outward and inward journeys.
Each airline has its own allowances. We have one internal Virgin Australia flight between Sydney and Melbourne. I can see that Virgin Australia operate a strange system whereby; not only do they restrict weight, as normal, they also operate a maximum cumulative linear dimension of 140 Cm for hold baggage (our brand new cases' cumulative linear dimensions are 160 Cm and 158 Cm) and 105 Cm for cabin luggage (our existing cabin bags' cumulative linear dimensions are 113 Cm and 104 Cm)
Bearing in mind that we have already bought our new cases and have existing cabin bags for this trip, the Virgin Australia flights baggage allowance is very poor and this is because it is an internal flight. IE they don't cater for trans-global travellers, visiting Australia.
I called VA and they are unsympathetic and say just take another large case and pay 70 AUSD per case. if you go over the 23Kg hold case weight it also costs 70 AUSD
My question to seasoned travellers is; in your experiences "do they ever actually MEASURE overall cumulative linear dimensions" and you are OK as long as you are within weight limits?
I cannot envisage people at check in measuring cumulative dimensions of HxDxL and adding them together