fly safair will not get another flight paid for by me

If i could give them zero star rating i would. Whilst on the way to the aiport for my 17:10 flight i get a text very last minute that my flight is delayed till 22:45. I cannot believe how unprofessional and unreliable this airline is. To first delay for this long and secondly leave it till the last minute. This is absurd and demands rectification. I cant now change my flight because of business im the morning but yet now ill be impared to make professional decisions due to getting home at early hours in the morning