Jami` at-Tirmidhi 551
جامع الترمذي#551Da'ifحَدَّثَنَا عَلِيُّ بْنُ حُجْرٍ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنِ الْحَجَّاجِ، عَنْ عَطِيَّةَ، عَنِ ابْنِ عُمَرَ، قَالَ صَلَّيْتُ مَعَ النَّبِيِّ صلى الله عليه وسلم الظُّهْرَ فِي السَّفَرِ رَكْعَتَيْنِ وَبَعْدَهَا رَكْعَتَيْنِ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ . وَقَدْ رَوَاهُ ابْنُ أَبِي لَيْلَى عَنْ عَطِيَّةَ وَنَافِعٍ عَنِ ابْنِ عُمَرَ .
Ibn Umar narrated:"I prayed Zuhr with the Prophet on a journey as two Rak'ah, and two Rak'ah after it
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:
Ahmad Muhammad ShakirDaif Isnaad
Al-AlbaniDaif Isnaad
Zubair Ali ZaiDaif
In-book reference: 6:8