I have booked a return Adl-Mel flight during a recent 50% bonus status credit promotion. The few extra status credits will get me the magical 700 tally for gold membership. If I change the time of my return flight will I lose the bonus credits on that sector (would leave me 5 points short .) I am keen to reach gold on this trip due to an international flight a month later and I am keen for lounge access. Thanks!
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