Perth Airport's chief executive has warned passengers the facility is set for major upheaval as it moves to consolidate its four terminals, with construction work meaning people will have to allow for delays. . newsiviewlistenLoading ABC NewsNews HomePerth Airport chief warns of upheaval, delays as ambitious project to consolidate terminals nearsShareShare articlePerth Airport chief warns of upheaval, delays as ambitious project to consolidate terminals nearsBy Nicolas Perpitch.