Median waiting times had been relatively stable for diagnostic tests since 2017 (2.8 weeks on average) and for therapy services since 2018 (3.6 weeks on average).
Ym mis Mawrth 2018 y cafwyd yr amser aros canolrifol byrraf ym mhob bwrdd iechyd ac eithrio dau, Bwrdd Iechyd Addysgu Powys (Ionawr 2018) a Bwrdd Iechyd Prifysgol Cwm Taf (Chwefror 2018).