In March 2021, the median waiting time was 2 hours 31 minutes, up slightly from 2 hours 30 minutes in February 2021 and up from 2 hours 19 minutes in March 2020.
Ym mis Mawrth 2021, canolrif yr amser aros oedd 2 awr a 31 munud, i fyny ychydig o 2 awr 30 munud ym mis Chwefror 2021 ac i fyny o 2 awr a 19 munud ym mis Mawrth 2020.