Luggage Did not arrive on time

I arrived in Cape Town on the morning of the 24th of December at 08:00am. My suitcase however did not arrive at that time. After reporting the issue to the baggage enquiries department, I was told that my bag may have been incorrectly loaded on a later flight and should hopefully turn up and when it did, I would be contacted to arrange delivery. At around midday, I contacted the call centre for an update and was notified that the bag had not arrived and they would confirm it's whereabouts with the Joburg office and call me back. 13:16, I called the call centre back and was told the same thing. 18:00 I called the call centre again and was informed that my bag had arrived and would be delivered to me sometime on Christmas day. at around 19:00 I went to the airport and collected my bag personally as I needed my clothes. At no point in time did a single representative of SAA apologise fir the inconvenience caused or call me back. had I not taken the initiative, I would likely still be waiting for my luggage. Very bad service.