If the delay is yours, you do not need to autoflagellate yourself, but please excuse yourself and specify that you will make sure that it does not happen again.
Uma ukubambezeleka kungokwakho, akudingeki ukuba uzifake ngokweqile, kodwa sicela uzibekelele futhi ucacise ukuthi uzoqinisekisa ukuthi akukwenzeka futhi.