I've had a pretty good success with upgrades to J on most days outside of school holidays. I've had upgrades from economy while platinum, gold and even silver status. Good luck.

Hi,I am travelling Y class from Perth to London on QF 9. Am FF Platinum and hoping for an upgrade, but not holding my breath!1) Was hoping for some advice on seat selection for anyone who has done the 17 hour haul in economy -Recommend Window or Aisle? Is it really as cramped as some of the...