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I am still waiting for my upgrade confirmation for this evening flight 20/5 May from SIN to SYD. When doing a dummy booking, QF is still selling 1 J ticket. My previous upgrades have all come thru at about T24. My incoming 3K flight with only 80 min connection time may be a factor in play here. Its schedule is still showing as "estimated" on my QF app. I am an SG. Do people have any insights in this situation?