This week, Sydney Airport's CEO told major airlines to use their take-off slots or let other carriers have them as domestic traffic continues to languish. It comes after the ACCC in June argued that larger airlines "can exploit" slot rules to stifle competition from smaller carriers, with both Bonza and Rex claiming the system is putting them at a severe disadvantage. Adam, Jake and Chris discuss the latest as take-off technicalities become national news. Plus, after another month of delays, is air traffic control really understaffed? Who's to blame?