Qantas published policy in this instance:
Rebooking
Rebook to another QF operated and marketed flight or rebook to another QF marketed flight operated by Emirates if the schedule changed flight is operated by Emirates:
- On the same day; or
- A day either side; or
- To the next available; or
- To connecting QF operated and marketed flights as permitted by the route map; or
- To connecting QF marketed flights operated by Emirates or QF operated and marketed flights as permitted by the route map if the schedule changed flight is operated by Emirates; and
- In the same cabin and same class; or
- In the lowest available class in cabin (except P/U/Z/X) if the same class is not available.
Note: If a schedule change to a QF operated and marketed flight or QF marketed flight operated by Emirates causes a misconnection to another airline’s connecting flight, rebook:
- To an alternative connecting flight on the same airline; and
- In the same cabin and same class; or
- In the lowest available class in cabin if the same class is not available; or
- Rebook in accordance with the ticketed fare’s route map and permitted booking class