After months of delays and massive cost overruns the largest airliner ever built, the Airbus A380 completed its maiden commercial flight Thursday.  Singapore Airline's completed the seven-hour and seven minute-long flight from Singapore to Sydney while 455 passengers enjoyed champagne and caviar.

The aircraft can carry up to 853 passengers but Singapore Airlines has opted instead for a more luxurious set-up with a maximum of 471 seats.

Singapore Airlines plans to initially use the A380 on the lucrative "Kangaroo Route" linking Australia with Singapore and Europe.