In May 2021, the median waiting time was 2 hours 47 minutes, up from 2 hours 38 minutes in April 2021 and up from 1 hours 53 minutes in May 2020.
Ym mis Ebrill 2021, canolrif yr amser aros oedd 2 awr a 37 munud, i fyny o 2 awr 31 munud ym mis Mawrth 2021 ac i fyny o 1 awr a 48 munud ym mis Ebrill 2020.