Very disappointed on this

My sister courier a parcel to me on Friday she did an overnight bag... when i tracked my parcel on Sunday it was written its in witbank which means i was going to recieve it on monday when i tracked it on monday morning i got it moved it is in Nelspruit i was surprised why cause i am in Ermelo then i tracked it on the evening it was still the same i tracked it on Tuesday morning on my surprised it was writen its in joburg again in the head office.. im suppose to go tomorrow morning (Wenesday 29 June 2021) but i cant because aramex is very slow... I'll never ever use this ever in my life... im very disappointing bcz overnight must be overnight