Correct, this would most certainly be a delivery flight.
According to the Airliner Census, MSN 1511 an OZ A321-131 reg. HL-7703, was expected to be delivered June 2001.
They have 12 on order. Some are leased from ILFC.
I know the A321 does not have the greatest range, remember we are talking about a -100 variant. However, this being a ferry flight my guess at the routing would be:
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Photo © Nobuhiko Hirai