FYI - yesterday QF 29 MEL HKG on A332 VH-EBO took off at 1752 instead of 1140, arrived at 23:33 instead of 1800 HKT
Hence the return QF128 to SYD didn’t depart until 0141 the 06/04 - was meant to depart on 05/04 at 1930, and arrived 6 hrs later at 1317 instead of 0755