Jami` at-Tirmidhi 178

جامع الترمذي#178Sahih

Anas (bin Malik) narrated that :Allah's Messenger said: "Whoever forgets a Salat then he is to pray it when he remembers it

Scholarly Authentication

We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:

Ahmad Muhammad ShakirSahih

Al-AlbaniSahih

Bashar Awad MaaroufHasan Sahih

Zubair Ali ZaiSahih - Agreed Upon

In-book reference: 2:30