Sahih al-Bukhari 4414
صحيح البخاري#4414SahihNarrated `Abdullah bin Yazid Al-Khatmi:That Abu Aiyub informed him that he offered the Maghrib and `Isha' prayers together with the Prophet during Hajjat-ul-Wada
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:436