Hey Antoneoz welcome to TAA
Hope you enjoy your time here, its a great site, I'm sure you'll find plenty to keep you occupied
Drop by the chat room some time, when there's a few of us in there and say hi.
In relation to QF31 I have VH-OQA as having operated this on saturday, not sure about individual sites that will label the aircraft, mostly we just work from ACARS and SBS logs, posted to newsgroups. Although some of these have internet sites.