Jami` at-Tirmidhi 555
جامع الترمذي#555Sahihحَدَّثَنَا هَنَّادُ بْنُ السَّرِيِّ، حَدَّثَنَا عَبْدَةُ بْنُ سُلَيْمَانَ، عَنْ عُبَيْدِ اللَّهِ بْنِ عُمَرَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّهُ اسْتُغِيثَ عَلَى بَعْضِ أَهْلِهِ فَجَدَّ بِهِ السَّيْرُ فَأَخَّرَ الْمَغْرِبَ حَتَّى غَابَ الشَّفَقُ ثُمَّ نَزَلَ فَجَمَعَ بَيْنَهُمَا ثُمَّ أَخْبَرَهُمْ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم كَانَ يَفْعَلُ ذَلِكَ إِذَا جَدَّ بِهِ السَّيْرُ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ . وَحَدِيثُ اللَّيْثِ عَنْ يَزِيدَ بْنِ أَبِي حَبِيبٍ حَدِيثٌ حَسَنٌ صَحِيحٌ .
Nafi narrated:"Ibn Umar had been requested to urgently attend to one of his wives, so he hurried en route and delayed Maghrib until the twilight disappeared, then he dismounted to combine them (the prayers). Then he informed them that the Messenger of Allah would do that when he was in a hurry on a trip
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: 6:12