Muwatta Malik 331
موطأ مالك#331SahihThese are the words of a Successor — the generation after the Companions — not of the Prophet ﷺ.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّهُ سَأَلَ سَالِمَ بْنَ عَبْدِ اللَّهِ هَلْ يُجْمَعُ بَيْنَ الظُّهْرِ وَالْعَصْرِ فِي السَّفَرِ فَقَالَ نَعَمْ لاَ بَأْسَ بِذَلِكَ أَلَمْ تَرَ إِلَى صَلاَةِ النَّاسِ بِعَرَفَةَ
Yahya related to me from Malik from Ibn Shihab that he had asked Salim ibn Abdullah, "Can you join dhuhr and asr when travelling?" He said, "Yes, there is no harm in that. Haven't you seen the people pray on Arafa?
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 9:6