Sahih al-Bukhari 3000
صحيح البخاري#3000SahihNarrated Aslam:While I was in the company of `Abdullah bin `Umar on the way to Mecca, he received the news of the severe illness of Safiya bint Abi Ubaid (i.e. his wife), so he proceeded at greater speed, and when the twilight disappeared, he dismounted and offered the Maghrib and `Isha 'prayers together and said, " I saw the Prophet (ﷺ) delaying the Maghrib prayer to offer it along with the `Isha' when he was in a hurry on a journey
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: 56:209