Ar adegau, mae hyn wedi golygu oedi hirfaith cyn gallu symud cleifion o ambiwlansys, cyfyngu ar gapasiti ambiwlansys, oedi mwy cyn gallu symud cleifion o adrannau brys i wely ysbyty, ac oedi mwy cyn gallu eu rhyddhau i fynd adref ar ôl eu triniaeth.
This has resulted, at times, in lengthy ambulance patient handover delays, limits on ambulance capacity, increased waits for admission from emergency departments to a hospital bed and longer waits for discharge home once treatment has completed.