The Perth to Paris route marks the latest ultra-long haul service from Qantas. Even longer nonstop links from Sydney to New York and London are due to follow.
The FAA says it has not approved new planes and routes for United, but the carrier said it has been cleared to begin the process of resuming certification activities.
Global occupancy growth is close to normal across most gateway markets with Asia leading in hotel occupancy growth and Tokyo topping average room rates.