Sahih al-Bukhari 4423
صحيح البخاري#4423SahihNarrated Anas bin Malik:Allah's Messenger (ﷺ) returned from the Ghazwa of Tabuk, and when he approached Medina, he said, "There are some people in Medina who were with you all the time, you did not travel any portion of the journey nor crossed any valley, but they were with you." They (i.e. the people) said, "O Allah's Messenger (ﷺ)! Even though they were at Medina?" He said, "Yes, because they were stopped by a genuine excuse
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: 64:445