Virgin Australia's weekend operations are in the spotlight after guest services staff began protected industrial action on Friday and Monday, with the union warning more disruption could follow before Christmas.

The Transport Workers' Union says an overwhelming 98 per cent of the airline's cabin crew have also voted in favour of taking protected action — although no strikes are scheduled for that group yet. Ground crew are expected to hold their own vote in the coming days, so the dispute could widen at the worst possible time for travellers: the lead-up to the peak Christmas holiday rush.

For now, the action centres on guest services agents — the people who handle check-in, boarding, customer care and airport operational support. The union hasn't specified which services will be paused or for how long, and Virgin says it has contingencies in place and will keep passengers updated. Travellers flying with the airline this weekend should expect possible delays at airports and monitor their flight status closely.

Behind the dispute is a pay and conditions fight. Cabin crew want fairer rosters, better pay progression and stronger fatigue protections, including longer minimum rest between shifts. Ground crew are pushing for safer workloads on long shifts, cost-of-living pay rises and more permanent full-time roles rather than casual contracts.

The union's argument has a pointed edge: workers accepted pay and condition cuts to help the airline survive administration, and now that Virgin is profitable again — reporting a $753 million profit for FY26 in August — they want that sacrifice repaid. TWU national secretary Michael Kaine framed the demands as basic: enough staff to work safely, fair pay and secure jobs.

Virgin, for its part, says negotiations are progressing and points to substantial offers on the table: wage rises of 17 to 28.9 per cent over three years for guest services crew, plus more full-time roles and extra days off, and rises of 14 to 29 per cent for cabin crew along with weekend loadings, higher allowances and improved rest periods.

What does this mean if you're booked on Virgin Australia? Nothing is grounded across the network at this stage — the immediate action targets airport customer-facing roles rather than flying itself, so the main risk is slower check-in, boarding friction and delays rather than outright cancellations. But with cabin crew and ground crew votes pending and the Christmas peak weeks away, the picture could change quickly. If you have a Virgin flight in the next month, it's worth signing up for the airline's flight alerts, building in extra time at the airport, and knowing your rebooking options in case your service is affected. The dispute is one to watch, especially if you're flying between mid-December and early January.