Sunan an-Nasa'i 145
سنن النسائي#145SahihIt was narrated that Jami' bin Shaddad said:"I heard Humran bin Aban tell Abu Burdah in the Masjid that he heard 'Uthman narrating that the Messenger of Allah (ﷺ) said: 'Whoever performs Wudu' completely as commanded by Allah, the five daily prayers will be an expiation for whatever comes in between them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:146